Talent hits a target no one else can hit; Genius hits a target no one else can see.

I have described religion as the metaphysics of the people.

Politeness is to human nature what warmth is to wax.

Life is a task to be done. It is a fine thing to say defunctus est; it means that the man has done his task.

As the biggest library if it is in disorder is not as useful as a small but well-arranged one, so you may accumulate a vast amount of knowledge but it will be of far less value to you than a much smaller amount if you have not thought it over for yourself; because only through ordering what you know by comparing every truth with every other truth can you take complete possession of your knowledge and get it into your power. You can think about only what you know, so you ought to learn something; on the other hand, you can know only what you have thought about.

There is not a grain of dust, not an atom that can become nothing, yet man believes that death is the annhilation of his being.

Compassion is the basis of morality.