Explanations are relative in the sense that their validity always depends...on how the thing to be explained is described.

Dubito ergo cogito; cogito ergo sum.
(I doubt, therefore I think; I think therefore I am)

In order to improve the mind, we ought less to learn, than to contemplate

The best ship, the best culture, the best knowledge, is the one which allows us to go farther, explore more territories or oceans of reality, and have the least damaging leaks possible.

The command of our language is crucial to focusing our thoughts and communicating them with precision to others.

Definitions are the guardians of rationality, the first line of defense against the chaos of mental disintegration.