The only limit to our realization of tomorrow is our doubts of today.
我不是一个会回头看并想着“我希望我当时做得不同”的人。
You can't use up creativity. The more you use, the more you have.
"In computer science, we are always trying to find the balance between expressiveness and tractability."
未来是自己开拓的。
The past is a foreign country; they do things differently there.