This reaction is used industrially to convert toluene to phenol.

Has the presidency hardened Obama?

Wherefore for their breach of their bond We accursed them and We made their hearts hard.

So because of their breach of their covenant, We cursed them, and made their hearts grow hard.

Truly, We have set veils over their hearts lest they should understand this (the Quran), and in their ears, deafness.

Because of their breaking their pledge, We cursed them, and made their hearts hard.

We have placed coverings over their hearts, lest they understand it, and heaviness in their ears.

Then, for their breach of the covenant We cast them away from Our mercy and caused their hearts to harden.

We have laid veils over their hearts lest they understand the message of the Qur'an, and We have caused heaviness in their ears.

And because of their breaking their covenant, We have cursed them and made hard their hearts.

Lo! on their hearts We have placed coverings so that they understand not, and in their ears a deafness.

But because they broke their covenant, We cursed them and hardened their hearts.

We have placed veils over their hearts lest they should understand it, and there is heaviness in their ears.

So for their breaking of the covenant We cursed them and made their hearts hard.

Indeed, We have placed over their hearts coverings, lest they understand it, and in their ears deafness.

For their disregard of their solemn covenant with God, We condemned the Israelites and made their hearts hard as stone.

We have veiled their hearts and sealed their ears so that they cannot understand.

Since they broke their solemn pledge, We laid on them Our curse and hardened their hearts.

We have cast veils over their hearts lest they understand Our words, and made them hard of hearing.

And the LORD said unto Moses, Pharaoh's heart is hardened, he refuseth to let the people go.

God who is wise in heart, and mighty in strength who has hardened himself against him, and prospered?

He is wise in heart, and mighty in strength who hath hardened himself against him, and hath prospered?

Among them are those who listen to you but We place covers over their hearts, to prevent them from understanding it, and heaviness in their ears.

And of them there are some who appear to pay heed to you, but upon their hearts We have laid coverings so they understand it not and in their ears, heaviness (so they hear not).

Of them are some who listen unto thee, but We have placed upon their hearts veils, lest they should understand, and in their ears a deafness.

And among them are those who listen to you, but We have placed over their hearts coverings, lest they understand it, and in their ears deafness.

Some of them listen to you, but We have veiled their hearts so that they cannot understand and made them deaf.

Among them are some who listen to you, but We have placed veils over their hearts and deafness in their ears which prevent them from understanding what you say.

Constraints on the property market, such as limiting multiple purchases or highly leveraged investments, have been tightened and then relaxed.

As his opponents have hardened their stance, Russia has become ripe for a peaceful anti criminal revolution.

At the same time, regulatory regimes have been toughened everywhere to prevent banks from jeopardizing the financial system again.

The children are impudent and stiff hearted I am sending you to them and you shall tell them, Thus says the Lord Yahweh.

Jesus, perceiving it, said to them, Why do you reason that it's because you have no bread? Don't you perceive yet, neither understand? Is your heart still hardened?

For they are impudent children and stiffhearted. I do send thee unto them and thou shalt say unto them, Thus saith the Lord GOD.

And when Jesus knew it, he saith unto them, Why reason ye, because ye have no bread? perceive ye not yet, neither understand? have ye your heart yet hardened?

Verily We have placed a covering on their hearts so that they do not understand, and a deafness in their ears so that however you may call them to guidance they will never be guided aright.

We have put covers on their hearts so as not to understand the Qur an, and deafness in their ears and even if you call them to guidance, they will never attain the right path.

Surely We have laid veils on their hearts lest they understand it, and in their ears heaviness and though thou callest them to the guidance, yet they will not be guided ever.

Verily We have set up veils over lest they should understand it, and in their ears a heaviness and if thou callest them to the guidance, lo! they will not let themselves be guided ever.

Indeed We have cast veils on their hearts lest they should understand it, and a deafness into their ears and if you invite them to guidance they will never let themselves be guided.

Surely We have placed veils over their hearts lest they should understand it and a heaviness in their ears and if you call them to the guidance, they will not ever follow the right course in that case.

Verily We have set veils over their hearts lest they should understand this, and over their ears, deafness, if thou callest them to guidance, even then will they never accept guidance.

And the LORD said unto Moses, Go in unto Pharaoh for I have hardened his heart, and the heart of his servants, that I might shew these my signs before him

So We cursed them because of them constantly breaking their covenant, and hardened their hearts they shift the Words of Allah from their places, and have forgotten a large portion of the advices that were given to them and you will constantly learn of deceits from them, except a few so forgive them and excuse them indeed Allah loves the virtuous.

So for their breaking their compact We cursed them and made their hearts hard, they perverting words from their meanings and they have forgotten a portion of that they were reminded of and thou wilt never cease to light upon some act of treachery on their part, except a few of them.