句子使用not…but结构形成对比，突出能力与责任之间的区别。
The world is not about what you can do, but what you should do.
What truly brings you down is not your opponent, but your own despair.
It is better to work hard for a short time than to struggle for a lifetime.
In life, there is only the joy of a winding path, not the success of a straight line. Only by cherishing today can we have a beautiful tomorrow; only by grasping today can we achieve a brilliant future.
If you believe in yourself, you will have endless vitality; if you doubt yourself, you will lose all spirit.
To achieve success, one must have the courage to charge forward with unwavering determination.
A dream may not be worth much, but the effort behind it is priceless.
Goals and beliefs provide lasting motivation and serve as a pillar of the human spirit.
Life requires accumulation and composure; without stability, one becomes easily restless.
The best way to prepare for tomorrow is to focus all your wisdom and passion on making today perfect.
世界不在于你能做什么，而在于你应该做什么。
真正让你倒下的，不是对手，而是你绝望的内心。
宁愿辛苦一时，不要辛苦一辈子。
人生中只有曲线前进的快乐，没有直线攀升的成功。唯有珍惜当下，方能拥有美好的明天；唯有把握今天，方能成就辉煌的未来。
你若相信自己，便活力无穷；你若否定自己，便精神萎靡。
若想获得成功，必须拥有勇往直前的冲劲。
一个人的梦想或许并不值钱，但一个人的努力却弥足珍贵。
目标与信念是持久的动力源泉，更是人的精神支柱。
人生需要沉淀与定力；缺乏定力的人，往往容易浮躁。
为明天做准备的最佳方式，就是倾注所有的智慧与热诚，将今天的事情做到极致。