学而不厌,诲人不倦

xué ér bù yàn , huì rén bù juàn

study tirelessly, teach with endless enthusiasm (idiom, from Analects)

xué

to learn

ér

and

no; not so

yàn

(bound form) to loathe; to be fed up with

,

huì

to teach

rén

person; people

no; not so

juàn

old variant of 倦[juan4]