Model checking is a powerful tool for verifying the correctness of hardware and software systems.

对于那些没有研究过数学的人来说，有些事情似乎是难以置信的。

I'm not afraid of aging. I think it's a privilege to grow old.

I'm an early bird and a night owl. So I'm wise and I have worms.

Trees are the earth's endless effort to speak to the listening heaven.

数学的本质在于它的自由。