可持续性不是一种选择，而是长期成功的必要条件。

The truth about the world, he said, is that anything is possible. Had you not seen it all from birth and thereby bled it of its strangeness it would appear to you for what it is, a hat trick in a medicine show, a fevered dream, a trance bepopulate with chimeras having neither analogue nor precedent, an itinerant carnival, a migratory tentshow whose ultimate destination after many a pitch in many a mudded field is unspeakable and calamitous beyond reckoning.

求知若饥，虚心若愚。

计算机科学中的知识追求是一次穿越逻辑和创造力的旅程。