The antifragility of the higher level may require the fragility—and sacrifice—of the lower one. — Nassim Nicholas Taleb

Much of aging comes from a misunderstanding of the effect of comfort.

When some systems are stuck in a dangerous impasse, randomness and only randomness can unlock them and set them free.

There is no such thing as a failed soldier, dead or alive (unless he acted in a cowardly manner)—likewise there is no such thing as a failed entrepreneur or failed scientific researcher ...