处理一个不自由的世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
A great many people think they are thinking when they are merely rearranging their prejudices.
因果推理的力量在于它允许我们预测我们从未采取的行动的效果。
每一个挑战都是学习和成长的机会。
The best things in life are the people we love, the places we've been, and the memories we've made along the way.
The design of algorithms is both an art and a science.