[Getting confused over directions while explaining the Coriolis force]
Audience member: "The sun rises in the east and sets in the west."
Prof. Turok: "Does it?"

"The largest quantity in my equation is this potential. That's why we can ignore it."

"A theoretical physicist is someone who has no respect for mathematics and can't do experiments."

"So in Hamilton's equations, you can just zap the corresponding momentum"

"If you can't solve a new problem, solve an old problem and change variables"

"Canonical transformations - the amo, amas, amat of classical mechanics"

"Where it's non-zero, it's constant"

"It's very strongly conserved stuff" (phase-space volume)