The pain you feel today will be the strength you feel tomorrow.
释义:帮助别人,别人未必能变得富裕,而自己却可能因此陷入贫困。
"Tennis has given me everything, and I want to give something back."
I'm a survivor, I'm not gonna give up, I'm not gonna stop, I'm gonna work harder.
"The success of machine learning depends on the ability to balance the trade-off between bias and variance in the models we build."