Optimism is a learned skill. Once you learn it, you can improve your life in every way.
乐观是一种可以学习的技能。一旦你学会了它,你就能在各个方面改善你的生活。
It's not about the legs; it's about the heart and the mind.
蒸汽机中运动的产生总是伴随着一个我们应关注的情况,即热量的平衡重建。
"I'm not perfect, but I'm trying every day to concentrate on being better."