If we don’t measure our impact, we’re just guessing at sustainability.

Software is under a constant tension. Being symbolic it is arbitrarily perfectible; but also it is arbitrarily changeable.

I'm not going to change who I am just because you don't like it.

解释：自己修身而不责备别人，就能够免于祸难。

All violence consists in some people forcing others, under threat of suffering or death, to do what they do not want to do.

预测未来的最好方法就是创造它。