The measurement problem in quantum mechanics is not a flaw in the theory, but a profound insight into the nature of reality.

The biographer's challenge is to be both a detective and a poet.

"History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation."

You can be the ripest, juiciest peach in the world, and there's still going to be somebody who hates peaches.

你们会选择安逸的生活，还是选择一个奉献与冒险的人生？

Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.

The light of truth never goes out.