在浩瀚的宇宙中，存在着无数未知的奥秘。今天，让我们揭开“10大未解之谜”的神秘面纱，一探究竟。在这篇短文中，我们将一起踏上探索的旅程，去发现那些令人惊叹的未知世界。

1. When all else is lost the future still remains.就是失去了一切别的，也还有未来。

2. The wealth of the mind is the only wealth.精神的财富是唯一的财富。

3. The best preparation for tomorrow is doing your best today.对明天做好的准备就是今天做到最好!

4. Keep on going never give up.勇往直前， 决不放弃!

5. Sow nothing, reap nothing.春不播，秋不收。

6. Never say die.永不气馁!

7. Nurture passes nature.教养胜过天性。

8. Suffering is the most powerful teacher of life.苦难是人生最伟大的老师。

9. The reason why a great man is great is that he resolves to be a great man.伟人之所以伟大，是因为他立志要成为伟大的人。

10. There is no garden without its weeds.没有不长杂草的花园。