Emotions become more violent when expression is stifled.

The body is the soul's house. Shouldn't we therefore take care of our house so that it doesn't fall into ruin?

Money, it has been said, is the cause of good things to a good man, of evil things to a bad man.

Those who give hoping to be rewarded with honor are not giving, they are bargaining.

Every virtuous man is free.

Learning is by nature curiosity... prying into everything, reluctant to leave anything, material or immaterial, unexplained.

How then, is it natural that the mind of man, being so small as contained in such narrow spaces as a brain or a heart, should have room for all the vastness of sky and Universe?