The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.

I once saw a photograph of a large herd of wild elephants in Central Africa Seeing an airplane for the first time, and all in a state of wild collective terror... As, however, there were no journalists among them, the terror died down when the airplane was out of sight.

My whole religion is this: do every duty, and expect no reward for it, either here or hereafter.

You could live without the opera singer, but not without the services of the baker. On this ground you might say that the baker performs a greater service; but no lover of music would agree.

War...seems a mere madness, a collective insanity.

Intelligence, it might be said, has caused our troubles; but it is not unintelligence that will cure them. Only more and wiser intelligence can make a happier world

It is because modern education is so seldom inspired by a great hope that it so seldom achieves great results.