I don't think limits.

In times of change, the learners will inherit the earth while the knowers will find themselves beautifully equipped to deal with a world that no longer exists.

你不能只是坐在那里等待别人给你那个金色的梦想。你必须走出去，为自己实现它。

科学的本质在于通过观察、实验和推理不懈追求真理。

即使世界改变，我也不会改变。