The core of drones is not how high they fly, but how well they are used.

In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.

Success is not final, failure is not fatal: It is the courage to continue that counts.

世界是一个舞台，但演员选得很糟糕。

Sometimes, the most heroic act is to continue living.