Waste not, want not.
More Indian Proverbs:
The danger past, and God forgotten.Indian
A house without a woman is the devil's own lodging.
Indian
Every man is the guardian of his own honor.
Indian
You should not call in a cat to settle the argument of two birds.
Indian
By joining the tail to the trunk one makes up the whole elephant.
Indian
There are many people who can sing, but don't know the words.
Indian