读书的人死前活过千次,不读书的人只活一次。
2004年9月13日,81岁的杨振宁在清华大学开始为本科生讲授普通物理。他说
The greatest breakthroughs are missed because they look like hard work.
The most powerful tools are those that empower others.
The only limits you have are the ones you set for yourself.