革命是一场漫长而艰苦的斗争，但它是实现真正独立和自由的唯一途径。
The revolution is a long and arduous struggle, but it is the only way to achieve true independence and freedom.
Every piece of plastic we don't recycle is a failure of our system and our responsibility.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
我明白成长来自于痛苦和挣扎。