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You have to be comfortable with being uncomfortable if you want to make progress in mathematics.
痛苦可以是一种知识形式。
人生短暂,不值得心怀怨恨。
The study of formal languages and automata is essential for understanding the theoretical underpinnings of computer science.
For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.