1 Corinthians 9:24-26

ASV(i) 24 Know ye not that they that run in a race run all, but one receiveth the prize? Even so run; that ye may attain. 25 And every man that striveth in the games exerciseth self-control in all things. Now they [do it] to receive a corruptible crown; but we an incorruptible. 26 I therefore so run, as not uncertainly; so fight I, as not beating the air: