Desire is not a thing to be understood. It is a thing to be endured.
Risk comes from not knowing what you're doing.
我不害怕冒险。
The Soviet Union was a civilization of fear, where people lived in constant dread of the knock on the door at night.
介导疼痛的分子非常古老，揭示了这种感觉在进化中的深远根源。
当你愿意质疑一切时，创新就会发生。