罗素说：快乐生活

生活是世界上最罕见的事情。大多数人只是存在，仅此而已。

数学中发现的快乐是无与伦比的。

The future of drones belongs to those who dare to dream and take action.

质量会被长久记住，而价格很快被遗忘。

"Traveling is a brutality. It forces you to trust strangers and to lose sight of all that familiar comfort of home and friends. You are constantly off balance. Nothing is yours except the essential things: air, sleep, dreams, the sea, the sky - all things tending towards the eternal or what we imagine of it."

职业生涯是攀爬架，而不是梯子。