Without energy life would be extinguished instantaneously, and the cellular fabric would collapse.

[A vitamin is] a substance you get sick from if you don't eat it.

"This celebration here tells me that this work is not hopeless. I thank you for this teaching with all my heart and lift my glass to human solidarity, to the ultimate victory of knowledge, peace, good-will and understanding."

Think boldly. Don't be afraid of making mistakes. Don't miss small details, keep your eyes open and be modest in everything except your aims.

Nature is one. It is not divided into physics, chemistry, quantum mechanics.

Here we stand in the middle of this new world with our primitive brain, attuned to the simple cave life, with terrific forces at our disposal, which we are clever enough to release, but whose consequences we cannot comprehend.

A living cell requires energy not only for all its functions, but also for the maintenance of its structure.