The future of democracy depends on the ability of democratic societies to reform themselves and adapt to new challenges.

在个体中，疯狂是罕见的；但在团体、党派、国家和时代中，它却是常规。

Successful people maintain a positive focus in life no matter what is going on around them. They stay focused on their past successes rather than their past failures, and on the next action steps they need to take to get them closer to the fulfillment of their goals rather than all the other distractions that life presents to them.

The past is never dead. It's not even past.

在计算机科学中，我们站在彼此的肩膀上。