任何有所作为的人都一定会受到批评、诽谤和误解。这是伟大的代价的一部分，每个伟人都明白这一点。
Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.
When making something， always get a few extras — extra material， extra parts， extra space， extra finishes. The extras serve as backups for mistakes， reduce stress， and fill your inventory for the future. They are the cheapest insurance.
No hay nada más peligroso que la idea de un solo hombre.
【释义】狡猾的兔子有三个洞穴，才能避免死亡。如今您只有一个洞穴，还不能高枕无忧。请让我为您再开凿两个洞穴。