短期利益永远不应损害长期可持续性。

无人机技术最大的价值在于它能到达人难以到达的地方。

You have to be willing to fail in order to succeed.

He who wants to do good knocks at the gate;he who loves finds the gate open.

在追求数学真理的过程中，我们常常发现更多的问题而非答案。