The concept of a Turing machine is foundational to our understanding of computation.

理论物理学不仅仅是解决问题，更是要找到正确的问题去解决。

文字的力量在于它们创造世界的能力。

A program without a loop and a structured variable isn't worth writing.

War is an ugly thing， but not the ugliest of things； the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth war is much worse.

我像个孩子。我从不考虑后果。