Drop by drop, it will make a pond.
More Turkish Proverbs:
A madman drops a stone in a well, but forty wise men cannot take it out.Turkish
In the company of the blind, close your eyes.
Turkish
Gold takes no rust.
Turkish
The liar's house burned, but nobody believed it.
Turkish
The tool makes the hand proud.
Turkish
The devil tempts all other men, but idle men tempt the devil.
Turkish