我们必须接受有限的失望，但永远不要失去无限的希望。
We must accept finite disappointment， but never lose infinite hope.
We are just beginning to scratch the surface of understanding how our bodies perceive the environment.
世界是一本书，不旅行的人只读了一页。
Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.
我不会让世界定义我的美。