解释：在人活动范围内的水就污浊，在野外无人地方的水就清洁。同为一样的水，都是从天边开源，有的混浊有的清洁，这是它们所处环境使它们这样的。

As far as carrying the torch for the years to come, I don’t know. I just want to be the best basketball player I can be.

Stand up for what you believe in, even if it means standing alone.

Every cell in your body carries a story billions of years old.

"The success of machine learning depends on the ability to balance the trade-off between bias and variance in the models we build."

数学不是关于数字、方程、计算或算法的：它是关于理解的。

The digital revolution is far more significant than the invention of writing or even of printing.

The main thing is to keep the main thing the main thing.