Mathematics is the science of patterns, and nature exploits every possible pattern.
True leadership is about empowering others to succeed.
The only service a friend can really render is to keep up your courage by holding up to you a mirror in which you can see a noble image of yourself.
每个人对自己劳动的产权既是所有其他产权的最初基础,也是最神圣和不可侵犯的。