句子使用了 if 引导的条件状语从句，主句中的 it means 作为形式主语结构，清晰表达了因果关系。
The world is like a giant circus. It excites you, yet fills you with trepidation, for I know that after the show ends, what remains is only limited tenderness and infinite heartache.
Complaints are the greatest gift heaven bestows upon humanity, and also the most humble part of human prayer.
One must know one's place, just as one knows one's face; this is the clearest form of self-awareness. Washing away the paint is always more beautiful than casual makeup. Therefore, do what you can do, and do it to the best of your ability; this is the essence of being human.
At the beginning of life, one falls in love; if you don't understand love, please move away; if you fear being hurt, please stay away; if you have been hurt, get up; when you encounter love, please come back; when in love, open your heart.
If your enemy makes you angry, it means you are not yet confident enough to defeat them.
世界宛如一座巨大的马戏团，它能让人兴奋，却也让人心生惶恐。因为我深知，散场之后留下的，往往是短暂的温存与无尽的酸楚。
怨言既是上天赐予人类最大的馈赠，也是人类祈祷中最质朴的部分。
人应当知晓自己的位置，正如知晓自己的脸面一样，这是一种最为清醒的自觉。洗净铅华总是比随意的涂脂抹粉更显得美丽。因此，做好力所能及的事，并将其做到极致，这才是做人的真谛。
人之初，谈恋爱；不懂爱，请走开；怕伤害，别过来；受过伤，爬起来；遇到爱，请再来；恋爱时，心放开。
如果敌人让你生气，那说明你还没有战胜他的把握。
"I am confident, therefore I succeed."
"Believe in yourself as a dedicated person."
"Value produces confidence, confidence produces enthusiasm, and enthusiasm conquers the world."
"A person may be looked down upon by others, but never by oneself."
"Believe in yourself first, and then others will believe in you."