Were not the eye made to receive the rays of the sun, it could not behold the sun; if the peculiar power of God lay not in us, how could the godlike charm us?

Superstition is rooted in a much deeper and more sensitive layer of the psyche than skepticism.

A creation of importance can only be produced when its author isolates himself, it is a child of solitude.

Man must strive, and striving he must err.

If we meet someone who owes us a debt of gratitude, we remember the fact at once. How often we can meet someone to whom we owe a debt of gratitude without thinking about it at all!

With knowledge comes more doubt.

This being busied with thoughts of immortality is for the noble classes and especially for women with nothing to do. A solid person, though, someone who already intends to be something worthy here, and who therefore has to strive daily, has to struggle and work, gives the world to come a rest.