The more a country makes military weapons, the more insecure it becomes: if you have weapons, you become a target for attack.

the scientist's religious feeling takes the form of a rapturous amazement at the harmony of natural law, which reveals an intelligence of such superiority that, compared with it, all the systematic thinking and acting of human beings is utterly insignificant reflection. This feeling is the guiding principle of his life and work, in so far as he succeeds in keeping himself from the shackles of selfish desire. It is beyond question closely akin to that which has possessed the religious geniuses of all ages.

I was just more stubborn and more passionate than most about physics.

I cannot accept any concept of God based on the fear of life or the fear of death, or blind faith. I cannot prove to you that there is no personal God, but if I were to speak of him I would be a liar.

I am not an atheist. I do not know if I can define myself as a pantheist. The problem involved is too vast for our limited minds.

... the desire for truth must take precedence over all other desires.

A little knowledge is a dangerous thing. So is a lot.