Surely silence can sometimes be the most eloquent reply.

Always consider your intellect to be lacking; otherwise too much faith in it surely leads to error.

Do not be like those on whom advice has no effect and who require punishment to correct themselves.

A girl is a good deed and a boy is a bounty. Good deeds are rewarded while people are held accountable for bounties.

Perfecting one's intellect causes one to speak less, and those words spoken will be adorned with wisdom.

Know you that Allah has made Islam the most sublime path for attainment of His supreme pleasure and the highest standards of his worship and obedience. He has favoured it with noble precepts, exalted principles, undoubtable arguments, unchallengeable supremacy and undeniable wisdom. It is up to you to maintain the eminence and dignity granted to it by the Lord, to follow it sincerely, to do justice to its articles of faith and belief, to obey implicitly its tenets and orders and to give it the proper place in your lives.

Wealth tends to create enemies, whereas knowledge tends to warm hearts.