A proof tells us where to concentrate our doubts.
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
Innovation in paper manufacturing isn't just about technology; it's about rethinking our relationship with natural resources.
没有充足的食物供应,今天所知道的文明就不可能进化,也不可能生存。
The fabric of society must depend on the individual rights of persons, on the rights of property.