The best way to predict the future is to invent it.
Changing the destructive things you say to yourself when you experience the setbacks that life deals all of us is the central skill of optimism.
The strength of a nation's institutions is not just in their formal rules, but in the informal norms that govern behavior and the degree to which they are internalized by the population.
History is not the past. It is the present. We carry our history with us. We are our history.
苦难是智慧的学校。