成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜；真正的英雄主义是抵抗这种怀疑；最深刻的智慧是知道何时应该抵抗，何时应该服从。
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.
当被问及SpaceX连续发生三次故障时
时间并不存在。对于河水来说，只有当下。没有过去，没有未来。
真相很少是纯粹的，也绝不简单。
The most valuable currency in business isn't money—it's trust.
生活中最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。