“In the matter of physics, the first lessons should contain nothing but what is experimental and interesting to see. A pretty experiment is in itself often more valuable than twenty formulae extracted from our minds.”

“Either CS (coordinate system) could be used with equal justification. The two sentences: the sun is at rest and the earth moves, or the sun moves and the earth is at rest, would simply mean two different conventions concerning two different CS”

“Engineering is not only study of 45 subjects but it is moral studies of intellectual life. Make things as simple as possible..but not simpler.”

“Each makes this cosmos and its construction the pivot of his emotional life, in order to find in this way peace and security which he can not find in the narrow whirlpool of personal experience.”

“Games are the most elevated form of investigation.”

“Therefore I tell my sorrows to the stones; Who, though they cannot answer my distress, Yet in some sort they are better than the tribunes, For that they will not intercept my tale: When I do weep, they humbly at my feet Receive my tears and seem to weep with me; And, were they but attired in grave weeds, Rome could afford no tribune like to these.”

“I and my bosom must debate awhile, and then I would no other company.”

“I have been studying how I may compare This prison where I live unto the world; And, for because the world is populous, And here is not a creature but myself, I cannot do it. Yet I'll hammer it out.”