“Nothing is as engaged as a retentive human brain as uncounted events is inhibited in it”

“God promises neither good life nor good health but live your life the way it is planned by you and fate.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”