我们已经看到最和蔼的人最终如何被磨损。
We have seen how the most amiable are at length worn down.
The mind is everything. What you think you become.
Mathematics is the key and door to the sciences.
我不让恐惧控制我，我控制恐惧。
The internet is a tool that can be used for good or bad. It's up to us to decide how we use it.
"The temporary is sometimes more powerful than the permanent."