The best stories are those that challenge our perceptions.

A scientific man ought to have no wishes, no affections, a mere heart of stone.  

The act of writing is an act of courage, a leap into the void.

The only limit to your impact is your imagination and commitment.

理论计算机科学中的挑战不仅仅是解决问题，而是理解为什么它们难以解决。