If your opponent's ability same as you, you'll not have pressure when you get on with him.
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One day you find your friends are better than you, maybe this time you begin to self-examination you have done before, and you will think of how to study hard to improve yourself.
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When we live in a comfortable environment, we could not think what we can do for tomorrow.
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Only when we live with pressure, maybe we think about how to change ourselves. When we meet difficult, we will think of what to do.
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Why we not think or do like that early? So, I tell myself that I need to keep a diary and self-reflection everyday.