Behavior is not just a response to a stimulus, but is guided by expectations and purposes.
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge.
试图阻止知识前进是没有好处的。无知永远不比知识好。
改变始于愿景，但坚持才能将其变为现实。
The sea does not reward those who are too anxious, too greedy, or too impatient.
现在是唯一没有尽头的东西。
人在幼年时，精神专注敏锐，成年后思想容易分散，因此教育要趁早，不可错过时机。