"Not only God knows, I know, and by the end of the semester, you will know."

"People get a lot of confusion, because they keep trying to think of quantum mechanics as classical mechanics"

"Every successful physical theory swallows its predecessor alive. But it does so by interpreting the concepts of the o…"

"The career of a young theoretical physicist consists of treating the harmonic oscillator in ever-increasing levels of…"

"Sidney Coleman was not only a leader in theoretical particle physics, but also a hugely gifted and dedicated teacher.…"

"If you haven't read his Erice Lectures, you don't know the heights that scientific writing can attain."

"For him delicious flavors dwell In books as in old Muscatel."

"And in the evening, everywhere Along the roadside, up and down, I see the golden torches flare Like lighted street-la…"

"Song like a rose should be; Each rhyme a petal sweet; For fragrance, melody, That when her lips repeat The words, her…"

"The hunter catches a dreadful prey, the seaman steers his ship into an unspeakable harbor, the plowman sows and reaps…"