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

遗传学是活人的考古学。

The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.

Always give credit， take blame.

人生比我们想象的要复杂得多，也简单得多。