通过自然现象的更替，使用反问句式来表达对未来的美好期许。
When Heaven is about to confer a great responsibility on any man, it will first exercise his mind with suffering, and his sinews and bones with toil, starve his body, and leave him in want; it will disrupt his actions, and strain his intentions, so as to stimulate his mind and strengthen his nature, to accomplish what he otherwise could not. —— Mencius
If winter comes, can spring be far behind? —— Shelley
If you are not afraid of difficulties, then difficulties will be afraid of you. —— British Proverb
Difficulties are the textbooks of mankind. —— Korean Proverb
Beyond the mountains and rivers, where one thinks there is no way, there is often a village in the shade of willows and blossoms. —— Lu You
Make a firm decision, fear no sacrifice, overcome all difficulties, and strive for victory. —— Mao Zedong
Nothing in the world is difficult if one is determined to climb. —— Mao Zedong
Every person should have two lights in their heart: one is the light of hope, and the other is the light of courage. With these two lights, we will not fear the darkness and the fierce storms at sea. —— Roland
An obstacle overcome is an opportunity for victory. —— Horace
Only after experiencing pain can one truly appreciate the joy of living. —— Alexandre Dumas
故天将降大任于斯人也，必先苦其心志，劳其筋骨，饿其体肤，空乏其身，行拂乱其所为，所以动心忍性，增益其所不能。——孟轲
冬天已经到来，春天还会远吗。——雪莱
你不怕困难，困难就怕你。——英国谚语
困难是人的教科书。——朝鲜谚语
山重水复疑无路，柳暗花明又一村。——陆游
下定决心，不怕牺牲，排除万难，去争取胜利。——毛泽东
世上无难事，只要肯登攀。 ——毛泽东
每人心中都应有两盏灯光，一盏是希望的灯光；一盏是勇气的灯光。有了这两盏灯光，我们就不怕海上的黑暗和风涛的险恶了。——罗兰
被克服的困难就是胜利的契机。——贺拉斯
必须体验过痛苦，才体会到生的快乐。——大仲马