You'll see it when you believe it.
学习新编程语言的唯一方法是用它编写程序。
Efficiency in energy production is the cornerstone of sustainable development.
Some people are busy dying, others are busy living.
No society can surely be flourishing and happy， of which the far greater part of the members are poor and miserable.
Your work is going to fill a large part of your life, so make sure it's something you love doing.