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I always try to stay positive, even in tough moments.

You have to fall before you can fly.

The most important thing is to keep your mind active.

The most advanced technology in farming is useless without the wisdom of traditional agricultural knowledge.

邪惡獲勝的唯一必要條件是好人袖手旁觀。

對知識的追求是無止境的，而這正是它令人興奮的地方。