人须在事上磨，方立得住，方能“静亦定，动亦定”。
解析：强调实践的重要性。
随机评估可以帮助我们了解发展中哪些措施有效，哪些无效。
The world is changed by your example, not by your opinion.
Every existing situation has the potential to become more.
"We are all astronauts on a little spaceship called Earth."
一个过程不是其各部分的总和，而是力量的动态相互作用。
We are all prisoners of our own memories.