"Innocence always calls mutely for protection when we would be so much wiser to guard ourselves against it: innocence is like a dumb leper who has lost his bell, wandering the world, meaning no harm."

"The past is not a place but a condition."

The most important skill to learn is how to learn.

Schemas are the building blocks of cognition, organizing our knowledge and guiding our understanding.

The best fertilizer is the farmer's shadow on the field.

The future of sustainable chemistry lies in developing catalysts that work under mild conditions.