可持续发展需要在经济增长和生态保护之间取得平衡。
Sustainable development requires balancing economic growth with ecological protection.
Sustainability isn't an option; it's a responsibility we owe to future generations.
夜晚最黑暗时，星星最明亮。
"To write is to breathe freely in a world that constantly tries to suffocate truth."
让我们这本《大教学论》的主要目标如下：寻求并找到一种教学方法，使教师教得更少，但学生学得更多。
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.