Look not back. No, not even if you see the dearest and nearest cry. Look not back, but forward. We cannot stop. If we stop we die. We have either to go forward or to go backward. We have either to progress or to degenerate.
Weapons are not proper instruments for gentle people; they use them only when they have no other choice. Peace and quiet are what they value. They do not glory in victory.
I am absolutely convinced that no wealth in the world can help humanity forward, even in the hands of the most devoted worker in this cause. The example of great and pure characters is the only thing that can produce fine ideas and noble deeds. Money only appeals to selfishness and always tempts its owners irresistibly to abuse it
Go forth in every direction- for the happiness, the harmony, the welfare of the many. Offer your heart, the seeds of understanding, like a lamp overturned and re-lit, illuminating the darkness.
Every one who is seriously involved in the pursuit of science becomes convinced that a spirit is manifest in the laws of the Universe-a spirit vastly superior to that of man, and one in the face of which we with our modest powers must feel humble.