True scientific progress is achieved not by mere accumulation of facts, but by the continuous refinement of theories and models.

Patience is the most important skill in life.

History is a cyclic poem written by time upon the memories of man.

Every tree planted today is a legacy for future generations.

人类的自由在其选择中被限制。

真相总是一种侮辱或玩笑，谎言通常乏味。

新发现的获得往往包含意外因素。