The real reward in science is knowing that your work can save lives.
Nothing’s lost forever. In this world, there’s a kind of painful progress. Longing for what we’ve left behind, and dreaming ahead.
你人生的热情应该恰到好处;但你的人生目标应该超越自己。为那些远比你更宏大的东西而工作。
The only way to understand another person's reality is to experience it yourself.
Poor is the man whose pleasures depend on the permission of another.