机器学习算法的最终测试是它在新的、未见过的数据上表现良好的能力。
When the people want the impossible, only liars can satisfy.
手工制造一支这样的枪所需的劳动会耗尽任何普通工匠的耐心和毅力。
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.