The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.

社会主义不是一个可以由政府或政党建立的现成制度。它是工人阶级自身的产物。

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

土地记得我们已经忘记的东西。