Proverbs starting with J

1: Jack is as good as his master
suggests that:

2: Jack of all trades and master of none.
said for :

3: Jackdaw in peacock’s feathers.
said for :

4: Jam tomorrow and jam yesterday, but never jam today.
used for:

5: Jest with a donkey and he will flap you in the face with his tail.
suggests that :

6: Just as the twig is bent, the tree is inclined.
it means that:

7: Justice delayed is justice denied.