Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

当获得正确的工具和知识时，小农场可以产生巨大影响。

We change our behavior when the pain of staying the same becomes greater than the pain of changing. Consequences give us the pain that motivates us to change.

每个孩子都应该在书中看到自己的影子。

科学不仅仅是事实的集合；它是一种思维方式。