To be happy is only to have freed one's soul from the unrest of unhappiness.

生活中唯一的限制是你自己设定的。

Green mining and low-carbon utilization are the only way for the sustainable development of the coal industry.

译文：矮板凳坐着，才能学业有进，美好的光阴不要错过。赏析：要想获得知识，学有所成，我们必须要能忍受读书学习的寂寞和孤独。读书学习绝非一日之功，需要日积月累，需要持之以恒。

"Language is not just a tool for communication; it is a bridge to the soul."

I always try to push the boundaries of what is possible in film.