There are eight levels of charity.... The highest is when you strengthen a man's hand until he need no longer be dependent upon others.

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

The goal of good health is to enable a person to acquire wisdom.

The more necessary a thing is for living beings, the more easily it is found and the cheaper it is; the less necessary it is, the rarer and dearer it is.

At times the truth shines so brilliantly that we perceive it as clear as day. Our nature and habit then draw a veil over our perception, and we return to a darkness almost as dense as before. We are like those who, though beholding frequent flashes of lightning, still find themselves in the thickest darkness of the night.

He, however, who begins with Metaphysics, will not only become confused in matters of religion, but will fall into complete infidelity.

There is no difference between the pain of humans and the pain of other living beings, since the love and tenderness of the mother for the young are not produced by reasoning, but by feeling, and this faculty exists not only in humans but in most living beings.