Proverbs 25:15

By patience, a leader shall be appeased, and a soft tongue shall break hardness

Other versions

King James Version

By long forbearing is a prince persuaded, and a soft tongue breaketh the bone.

English Standard Version

With patience a ruler may be persuaded, and a soft tongue will break a bone.

New International Version

Through patience a ruler can be persuaded, and a gentle tongue can break a bone.