无法自爱就无法爱人，憎恨自己就一定会憎恨他人。
采矿技术的创新不是一种选择，而是我们对工人和环境应尽的义务。
The only limits in life are the ones you set for yourself.
我看到的民众代表越多，我就越钦佩我的狗。
世界是一片伟大的海洋，我们是其中的水手。
The most beautiful as well as the most ugly inclinations of man are not part of a fixed biologically given nature, but result from the social process which creates man.
"The only true wisdom is in knowing you know nothing."