be patience, honesty, simplicity, etc. itselfidiomPart ofitselfbe patience, honesty, simplicity, etc. itselfbe patience, honesty, simplicity, etc. itself — idiomidiom1. This phrase means someone or something is a perfect example of that quality.1.idiomDefinitionThis phrase means someone or something is a perfect example of that quality.ExampleOur neighbor was kindness itself when we moved in.The old librarian was patience itself with noisy children.