The progress of mathematics is measured by the number of problems it can solve.

不追忆过去，不忧虑未来，也不贪恋现在。

"Language is not just a tool; it's a home for the displaced."

一项发明可能价值连城，但对发明者却毫无价值。

哪里有爱，哪里就有生命。

永远不要放弃你的梦想，无论它们看起来多么不可能。