Thinking too little about things or thinking too much both make us obstinate and fanatical.

Most of man's trouble comes from his inability to be still.

When we would think of God, how many things we find which turn us away from Him, and tempt us to think otherwise. All this is evil, yet it is innate.

Cold words freeze people, and hot words scorch them, and bitter words make them bitter, and wrathful words make them wrathful. Kind words also produce their own image on men's souls; and a beautiful image it is. They smooth, and quiet, and comfort the hearer.

It is not from space that I must seek my dignity, but from the government of my thought. I shall have no more if I possess worlds. By space the universe encompasses and swallows me up like an atom; by thought I comprehend the world.

I bring you the gift of these four words: I believe in you.

We have an idea of truth, invincible to all scepticism.