Precept guides, but example draws. [ Proverb ]

Example is more efficacious than precept. [ Johnson ]

In almost everything, experience is more valuable than precept. [ Quintilian ]

The road to learning by precept is long, by example short and effectual. [ Seneca ]

Example is more forcible than precept. People look at my six days in the week to see what I mean on the seventh. [ Rev. R. Cecil ]

Precept is instruction written in the sand; the tide flows over it, and the record is gone. Example is engraven on the rock, and the lesson is not soon lost. [ William Ellery Channing ]