遗忘的存在从未被证实:我们只知道某些事情在我们需要时不会出现在脑海中。
自然状态下的生活是孤独、贫穷、丑陋、野蛮和短暂的。
The best illustrations are those that leave room for the reader's imagination.
Innovation comes from saying no to a thousand things to focus on the few that really matter.