The only valid data for psychology are the reports of trained observers.

"Theoretical computer science is a field where deep mathematical insights lead to practical computational tools."

谁统治东欧，谁就掌控了心脏地带；谁统治心脏地带，谁就掌控了世界岛；谁统治世界岛，谁就掌控了世界。

怀疑在一段时间内是有用的。我们都必须经过客西马尼园。如果基督也曾与怀疑玩耍，那么我们也必须如此。

The most important thing is to be honest with yourself and with your audience.

我是中国制造

Sometimes you put walls up not to keep people out，but to see who cares enough to break them down.