Acting is a craft that requires constant practice and dedication.
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.
Scientific progress must be guided by a moral compass.
小说是内心生活的伟大艺术形式。
粒子的概念只是近似的，并且只有在动量较小的极限下才有意义。
Virtue! a fig! 'tis in ourselves that we are thus or thus. Our bodies are our gardens, to the which our wills are gardeners.
The man who believes that the secrets of the world are forever hidden lives in mystery and fear. Superstition will drag him down. The rain will erode the deeds of his life. But that man who sets himself the task of singling out the thread of order from the tapestry will by the decision alone have taken charge of the world and it is only by such taking charge that he will effect a way to dictate the terms of his own fate.