宇宙之美在于其复杂性和支配它的法则的简洁性。

The past is hidden somewhere outside the realm, beyond the reach of intellect, in some material object (in the sensation which that material object will give us) which we do not suspect.

民主是最坏的政府形式——除了其他所有不断地被试验过的政府形式之外。

真相很少纯粹，也绝不简单。