Every soul, the philosopher says, is involuntarily deprived of truth; consequently in the same way it is deprived of justice and temperance and benev… - Marcus Aurelius

The nature of the universe is the nature of things that are. Now, things that are have kinship with things that are from the beginning. Further, this nature is styled Truth; and it is the first cause of all that is true.

Constantly contemplate the whole of time and the whole of substance, and consider that all individual things as to substance are a grain of a fig, and as to time the turning of a gimlet.

The mind which is free from passions is a citadel, for man has nothing more secure to which he can fly for refuge and for the future be inexpugnable. He then who has not seen this is an ignorant man: but he who has seen it and does not fly to this refuge is unhappy.