思想的自由是最珍贵的自由。
常识告诉我们，业绩来来去去，但成本永远存在。
"Science fiction is the literature of change."
The key to efficient computation is not just speed, but elegance.
Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied.
The thrill of discovery never gets old.
