Dhammapada Verse 65
Timsapaveyyakabhikkhu Vatthu
Muhuttamapi ce vinnu
panditam payirupasati
khippam dhammam vijanati
jivha suparasam yatha.
Verse 65: An intelligent man, even though he is associated with a wise man only for a moment, quickly understands the Dhamma, just as the tongue knows the taste of soup.