你讲说他人的不善之处，如果这种说法造成了后来的麻烦，你应当怎样去对待呢？

Eager and intense desire is the mainspring of all effective effort.  

文学让我们能够活出千种人生，体验千种情感。

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