1 Corinthians 9:22-24

Young's Literal Translation

²² I became to the infirm as infirm, that the infirm I might gain; to all men I have become all things, that by all means I may save some.

²³ And this I do because of the good news, that a fellow-partaker of it I may become;

²⁴ have ye not known that those running in a race -- all indeed run, but one doth receive the prize? so run ye, that ye may obtain;