世界的问题在于愚蠢的人自以为是，而聪明的人充满怀疑。
当我们发现保持不变比改变更痛苦时，我们就会改变自己的行为。后果给我们带来痛苦，激励我们去改变。
Safety must always come before production targets.
Quality is not an act, it is a habit.
These are the times that try men's souls.
You can't just give up on something because it's hard.
