全人类...都是平等和独立的,任何人都不应伤害他人的生命、健康、自由或财产。
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty or possessions.
Happiness is not something you postpone for the future; it is something you design for the present.
反馈是一个强大的概念,在自然系统和技术系统中被广泛使用。