There is only one way to learn... It's through action. Everything you need to know you have learned through your journey.
学习的唯一途径就是行动。你需要知道的一切,都已经通过你的旅程学会了。
People, even more than things, have to be restored, renewed, revived, reclaimed, and redeemed; never throw out anyone.  
To succeed in science, you need to have a passion for the truth.
The locus is the principle that gives meaning to the city.
The political spirit tends to make men stand aloof from each other.