过去从未死去，它甚至还未过去。

最后我们将把太阳本身置于宇宙的中心。

数学是理性的音乐。

Everything is a learning process: any time you fall down, you get up and you learn from it.

Tell the cook of this restaurant with my compliments that these are the very worst sandwiches in the whole world, and that when I ask for a watercress sandwich I do not mean a loaf with a field in the middle of it.