The past must be respected, but not copied.
The most important property of a program is whether it accomplishes the intention of its user.
The power of words can change the world.
只有冒险的人才会自省。
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.
In mathematics, you don't understand things. You just get used to them.