The only person who is educated is the one who has learned how to learn and change.
Science is not just about finding answers but also about asking better questions.
理解计算的极限与扩展其能力同样重要。
"Books are the keys to understanding ourselves."
正是因为国家倾向于愚蠢和卑劣，民主才有可能。
"In the end, we will remember not the words of our enemies, but the silence of our friends."