The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.

There are no shortcuts in technology, only steady step-by-step progress.

Trust is like a mirror, you can fix it if it's broken, but you can still see the crack in that motherfucker's reflection.

人们自己创造自己的历史，但是他们并不是随心所欲地创造，并不是在他们自己选定的条件下创造，而是在直接碰到的、既定的、从过去承继下来的条件下创造。