All men desire by nature to know.

At the intersection where your gifts, talents, and abilities meet a human need; therein you will discover your purpose

The shape of the heaven is of necessity spherical; for that is the shape most appropriate to its substance and also by nature primary.

[Meanness] is more ingrained in man's nature than Prodigality; the mass of mankind are avaricious rather than open-handed.

We can't learn without pain.

All food must be capable of being digested, and that what produces digestion is warmth; that is why everything that has soul in it possesses warmth.

There is always something new coming out of Africa.