"There can be no such thing as a 'pure' science, as science is always influenced by the human mind."

"The scientist's greatest reward is the joy of discovery."

"The quantum of action is the universal constant that determines the size of the smallest units of energy."

"I learned more from my professors in one year than I have from all the books I've read."

"It is not the possession of truth, but the success which attends the seeking after it, that enriches the seeker and brings happiness to him."