Hǎo de lǎoshī bùguāng kào yánchuán, gèng kào shēnjiào.
A good teacher teaches not just through words but even more through example.
Tips
usage
言传 lives in two set phrases: 只可意会，不可言传 (it can be sensed but not put into words) and 言传身教 (teaching by word and by example). Elsewhere it is written style; in speech people say 说出来 (to say it out loud).
