zest for living; energy to live
Refers to the inner drive, vitality, or will to keep living, often used in educational or motivational contexts.
Education that nurtures a zest for living is important for children.
He has the energy to live that won't be defeated by any hardship.
Compound of 生きる (to live) and 力 (power, strength). The phrase became widely used in Japanese education discourse from the late 20th century.