When I have a difficult subject before me - when I find the road narrow, and can see no other way of teaching a well established truth except by pleasing one intelligent man and displeasing ten thousand fools - I prefer to address myself to the one man, and to take no notice whatever of the condemnation of the multitude; I prefer to extricate that intelligent man from his embarrassment and show him the cause of his perplexity, so that he may attain perfection and be at peace.

All this is applicable to the intellectual faculties of man. There is a considerable difference between one person and another as regards these faculties, as is well known to philosophers.

In the realm of Nature there is nothing purposeless, trivial, or unnecessary

Man's obsession to add to his wealth and honor is the chief source of his misery.

Every man whose character traits all lie in the mean is called a wise man.

God who preceded all existence is a refuge.

Give a man a fish and you feed him for a day; teach a man to fish and you feed him for a lifetime.