You have to be willing to get happy about nothing.
A minute's success pays the failure of years.
Sustainability in mining isn't an option—it's a necessity for our future.
The most profound insights in mathematics often come from unexpected analogies.
The spread of liberal democracy and the integration of the world economy have created a situation in which the only legitimate form of government is one that is based on popular sovereignty and respects basic human rights.
如果您可以想象一個計算機機器人是唯一的專家的社會，那么您可以想象任何事情。
The difference between good and great is the extra effort.