working with continuous concentrated effort; assiduous and indefatigable, especially in study or work

instructing others with patience and tireless zeal; to teach with great enthusiasm without becoming weary

Diligent and enthusiastic in one's studies; to love learning and never tire of it

To be so interested in or enjoy an activity so much that one never feels tired of doing it.

diligent and tireless; often used to describe someone who talks or discusses things with tireless enthusiasm

to work hard early and late without getting tired; to be diligent from morning to night

Study without feeling tired and teach others without becoming weary; a classical idiom from the Analects of Confucius describing a dedication to lifelong learning and generous learning.

to be persistent and tireless; doing something on and on without fatigue