1. No pains, no gains. 一份耕耘，一分收获。

2. Never say die! It is a piece of cake. 永远不要气馁，这很简单。

3. Where there is a will, there is a way. 有志者，事竟成。

4. A young idler, an old begger. 少壮不努力老大徒伤悲。

5. A good beginning is half done. 良好的开端是成功的一半。

6. A good beginning makes a good ending. 善始者善终。

7. A man cannot spin and reel at the same time. 一心不能二用。

8. The early bird catches the worm. 早起的鸟儿有虫吃。

9. Don't be too hard on yourself. 不要对自己太苛刻。

10. It's never too late to learn. 学习永远不嫌晚。

11. Practice makes perfect. 熟能生巧。

12. Knowledge is power. 知识就是力量。

13. Actions speak louder than words. 行动胜于言语。

14. The ball is in your court. 现在轮到你了。

15. When in Rome, do as the Romans do. 入乡随俗。

这些句子涵盖了鼓励、学习、行动和态度等多个方面，适合不同情境下的英语学习和应用。希望这些摘录对你有所帮助。