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.

If you can't explain your chemistry to a non-scientist, you don't understand it well enough.

我总是尽量保持积极，享受每一刻。

Principles is another name for prejudice.

"Memory is a tricky thing, it can be both a blessing and a curse."

预测未来的最好方式就是创造未来。