You don't need a $30 hammer to nail in a picture.

If all you have is a hammer, everything looks like a nail.

I do think a carpenter needs a good hammer to bang in the nail.

Every Fedora issue became a nail for the foundation hammer, and the scope of the foundation quickly became too large for efficient progress.

If you only have a hammer, you tend to see every problem as a nail.

Then Jael Heber's wife took a nail of the tent, and took an hammer in her hand, and went softly unto him, and smote the nail into his temples, and fastened it into the ground: for he was fast asleep and weary. So he died.