Complacency is the enemy of progress in medicine.

"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."

农业不仅仅是一门生意；它是一种生活方式。

矩阵力学是对经典物理学的彻底背离，但它是解释原子世界所必需的。