I'm the best rapper alive.

Small, deliberate actions practiced consistently can lead to big changes in happiness levels.

在这个世界上生存的唯一方法是对它的恐怖麻木不仁。

在数学中，提出问题的艺术必须比解决问题更有价值。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

每当一座煤电厂关闭，美国的一部分心脏也随之关闭。