Work, Czech Proverb

Bez práce nejsou koláče.
Literal translation: There are no cakes without a job.

- Czech Proverb

Idiomatic translation: No pain, no gain.
Source: Šedivý, Ivo Bez práce nejsou koláče (1982)

Work, William Lyon Phelps

Whenever it is in any way possible, every boy and girl should choose as his life work some occupation which he should like to do anyhow, even if he did not need the money.

- William Lyon Phelps (1865-1943)