“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.”

“Grief fills the room up of my absent child, Lies in his bed, walks up and down with me, Puts on his pretty look, repeats his words, Remembers me of his gracious parts, Stuffs out his vacant garments with his form”

“Remember thee!Ay, thou poor ghost, while memory holds a seatIn this distracted globe.”

“My rage is gone,And I am struck with sorrow. Take him up.Help, three o' th' chiefest soldiers; I'll be one.Beat thou the drum, that it speaks mournfully,Trail your steel spikes. Though in this city heHath widowed and unchilded many a one,Which to this hour bewail the injury,Yet he shall have a noble memory.Assist.”