It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the epoch of incredulity, it was the season of Light, it was the season of Darkness, it was the spring of hope, it was the winter of despair, we had everything before us, we had nothing before us, we were all going direct to Heaven, we were all doing direct the other way.
The greatest tragedy in mankind's entire history may be the hijacking of morality by religion.
最优雅的数学证明是那些以简单揭示真理的证明。
数学是理性的音乐。