Time travel is the most frustrating thing in the world. You can't change anything, and you can't stop anything from happening.
"Every word we write is a step closer to understanding ourselves."
Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments.
真相很少是纯粹的，也从不简单。
求知若饥，虚心若愚。
Every discovery builds on the work of those who came before us.
Ignore what others may be thinking of you， because they aren’t.
The greatest resistance to injustice is not to imitate it.