1. Action is the proper fruit of knowledge. 

2. Work has a bitter root but sweet fruit. 

3. A tree is known by its fruit. 

4. Experience is the fruit of the tree of errors. 

5. Beauty may have fair leaves, but bitter fruit. 

6. Fruit ripens not well in the shade. 

7. The tree is known by its [his] fruit. 

8. Patience is bitter, but its fruit is sweet. Aristotle 

9. When the fruit is scarcest, its taste is sweetest. 

10. As the tree, so the fruit. 

11. The fruit does not fall far from the tree. 

12. Every tree is known by its own fruit. 

13. Wit without learning is like a tree without fruit. 

14. The roots of education are bitter, but the fruit is sweet. 

15. He that would eat the fruit must climb the tree. 

16. He that would eat [have] the fruit must climb the tree. 

17. No root, no fruit.

18. Like tree, like fruit.

19. Forbidden fruit is sweet.

19. Sentencedict.com is a online sentence dictionary, on which you can find good sentences for a large number of words.

20. As fruit needs not only sunshine but cold nights and chilling showers to ripen it, so character needs not only joy but trial and difficulty to mellow it. 

21. Try to eat plenty of fresh fruit .

22. The islands export sugar and fruit.

23. The fruit seller charged me too much money.

24. Oranges are my favorite fruit.

25. She selected an apple from the fruit bowl.

26. This country export fruit to China.

27. Learning is a bitter root, but it bears sweet fruit. 

28. We should so live and labor in our time that what came to us as seed may go to the next generation as blossom, and what came to us as blossom may go to them as fruit. This is what we mean by progress. 

29. Sit not sad because that time a fitful aspect weareth; Patience is most bitter, yet most sweet the fruit it bearth. 

30. Unprofitable eloquence is like the cypress, which is great and tall, but bears no fruit.