The thing is, not to stop questioning.

That deep emotional conviction of the presence of a superior reasoning power, which is revealed in the incomprehensible universe, forms my idea of God.

Don't let your brain interfere with your heart.

Unless the cause of peace based on law gathers behind it the force and zeal of a religion, it hardly can hope to succeed.

He who finds though that lets us penetrate even a little deeper into the eternal mystery of nature has been granted great grace. He who, in addition, experiences the recognition, sympathy, and help of the best minds of his times, had been given almost more happiness than one man can bear.

Go out as far as you can go and start from there

We are all very ignorant. What happens is that not all ignore the same things.