lead by example

idiom
UK /liːd baɪ ɪɡˈzɑːmpəl/
US /liːd baɪ ɪɡˈzæmpəl/

to show others the right way to act by doing it yourself.

The teacher leads by example by always being kind to everyone.


OTHER MEANINGS

2. to behave in a way that others should copy.

Parents lead by example when they read books at home.

3. to guide a group through your own actions rather than words.

The coach leads by example, training hard with the team.

4. to be a good model for younger or less experienced people.

Big brothers can lead by example for their little siblings.