The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference.

Never be satisfied with current achievements, always aim higher.

译文：自己养育孩子后才知道父母的恩情深重，自己立身处世才知道为人的辛苦异常。赏析：年少时，我们不知道父母的异常艰辛，总以为人生简单，待到我们成家立业后，才明白世事的艰难和为人父母的辛苦。