过去是一个异国，他们在那里做事的方式不同。
The past is a foreign country; they do things differently there.
"The best stories are the ones that make you feel inspired."
弦理论的数学美感表明它必须是自然界终极描述的一部分。
The only limits that exist are the ones in your mind.
The most formidable weapon against errors of every kind is reason.
You don't have to have the ability that quantum mechanics requires.You just have to know a few simple things and really know them.