If you have planted a tree you must water it too.
More Indian Proverbs:
For the friendship of two, the patience of one is required.Indian
Deceive me about the price but not about the goods.
Indian
When pumpkins are watered, brinjals [small plants] also get watered.
Indian
A guilty conscience is a lively enemy.
Indian
If you forsake a certainty and depend on an uncertainty, you will lose both the certainty and the uncertainty.
Indian
Garlic is as good as ten mothers.
Indian