计算的研究对于理解可计算性的极限至关重要。
The study of computation is essential to understanding the limits of what can be computed.
The greatest thing you'll ever learn is just to love and be loved in return.
Transparency builds trust, and trust is the currency of leadership.
人们自己创造自己的历史,但是他们并不是随心所欲地创造,并不是在他们自己选定的条件下创造,而是在直接碰到的、既定的、从过去承继下来的条件下创造。