There must always remain something that is antagonistic to good.

He who is of a calm and happy nature, will hardly feel the pressure of age

'But the man who is ready to taste every form of knowledge, is glad to learn and never satisfied - he's the man who deserves to be called a philosopher, isn't he?'

The contemplation of beauty causes the soul to grow wings.

There are some whom the applause of the multitude has deluded into the belief that they are really statesmen.

Many men are loved by their enemies, and hated by their friends, and are the friends of their enemies, and the enemies of their friends.

Then may we not fairly plead in reply that our true lover of knowledge naturally strives for truth, and is not content with common opinion, but soars with undimmed and unwearied passion till he grasps the essential nature of things with the mental faculty fitted to do so, that is, with the faculty which is akin to reality, and which approaches and unites with it, and begets intelligence and truth as children, and is only released from travail when it has thus reached knowledge and true life and satisfaction?