It is a capital mistake to theorize before one has data.
可持续发展不是一种选择，而是我们对后代的责任。
Sustainability isn't an option; it's a responsibility we owe to future generations.
La literatura es el arte de la palabra, y la palabra es el arte de la comunicación.
The study of psychology is the study of life's solutions.
The world is full of people who will tell you what you can't do. You don't need them. You already know what you can't do. What you need is someone to tell you what you can.