Silence is a true friend who never betrays.

Heaven begat Virtue in me; what can man do unto me?

It is true that we shall not be able to reach perfection, but in our struggle toward it we shall strengthen our characters and give stability to our ideas, so that, whilst ever advancing calmly in the same direction, we shall be rendered capable of applying the faculties with which we have been gifted to the best possible account.

When you know a thing, to hold that you know it, and when you do not know a thing, to allow that you do not know it - this is knowledge.

A gentleman does not promote a man on account of what he says; nor does he reject sayings, because the speaker is what he is.

Respect the gods and the devils but keep them at a distance

He who learns but does not think, is lost! He who thinks but does not learn is in great danger... Men of superior mind busy themselves first getting at the root of things; when they succeed, the right course is open to them.