The past is a shadow that follows us, but the future is a light that guides us.
过去是跟随我们的影子，但未来是引导我们的光。
The fear of death follows from the fear of life. A man who lives fully is prepared to die at any time.
真相很少是纯粹的，也从来不是简单的。
没有所谓的应用科学，只有科学的应用。
Innovation without execution is just a dream.
SILENCE. Speak not but what may benefit others or yourself; avoid trifling conversation.