The march of invention has clothed mankind with powers of which a century ago the boldest imagination could not have dreamt.
译文:江头上的风波还不算最险恶的,人间的道路比这还要难行得多!
知识的每一次进步都会带来新的问题和新的困难。
The most advanced technology is worthless if farmers don't understand how to use it effectively.
我不是为了快乐而写作,我是为了自由而写作。