句子采用了对偶结构，前半句讲‘欲望/热情’的激发作用，后半句讲‘毅力’的克服困难作用，表达精炼有力。
Life does not issue round-trip tickets; once you set out, you never return.
In life, one may not be noble, but must never be shameless; one may not be great, but must never be despicable; one’s mind may not be sharp, but must never be confused; life may not be optimistic, but one must never be world-weary; in friendship, one may not be generous, but must never harm others.
Desire raises enthusiasm, and perseverance smooths high mountains.
To survive in competition, humanity must strive.
Although I leave early and return late, enduring the wind and sun every day, I am still happy because I am striving for my dreams.
Life is always filled with many disappointments that tangle in our hearts, following us like shadows; in life, there are always regrets that cannot be undone, dissipating like smoke yet never fully gone; in emotion, there are always people who cannot be forgotten, like dreams, to be cherished only. A relationship hurts a past; a word remains in the heart forever; a turn becomes a lifetime of missed opportunities; a tear records the regret of the past; a strand of longing becomes a lifelong heartache. In life, there are too many things that cannot be retrieved, which ultimately become irreplaceable losses in our existence.
Sometimes, people are together because of love, and apart because of an even greater love.
No matter how difficult the situation, always grit your teeth and push through. When you look back in the future, it will be incredibly sweet.
人生没有往返车票，一旦出发，便再无归期。
做人或许不必高尚，但绝不能无耻；为人或许不必伟大，但绝不能卑鄙；头脑或许不必聪慧，但绝不能糊涂；生活或许不必乐观，但绝不能厌世；交友或许不必慷慨，但绝不能损人。
欲望能提升热忱，毅力能磨平高山。
人类要在竞争中求生存，便要奋斗。
虽然每天早出晚归，历经风吹日晒，但我依然感到快乐，因为我在为梦想奋斗。
人生总有许多不如意在心中缠绕，如影随形；生活中总有一些挽不回的遗憾，如烟般散不尽；情感中总有一些忘不了的人，如梦般只能珍藏。一段情，痛了一个曾经；一句话，在心里放到了永远；一个转身，就是一辈子的错过；一滴泪，记载了当初的悔恨；一缕思念，成了一生的心痛。生命中，有太多的挽不回，到最后，都成了生活里无法替代的缺失。
有时候，两个人在一起是因为有爱，而分开，是因为更有爱。
不管有多么艰难，一定要咬牙冲过去，将来回忆起来，一定甜蜜无比。
"As long as you pursue truth, truth will burn within your heart."
"Despite countless setbacks and failures, through diligence and hard work, one can overcome difficulties and gain steadfastness and patience."
"Unwavering belief in success often leads to true success"
"Do not give up when you are still capable of contributing."
"If you are willing to endure hardship for a while, you will enjoy happiness for a lifetime."