King James Version
That thou appear not unto men to fast, but unto thy Father which is in secret: and thy Father, which seeth in secret, shall reward thee openly.English Standard Version
that your fasting may not be seen by others but by your Father who is in secret. And your Father who sees in secret will reward you.Catholic Public Domain Version
so that your fasting will not be apparent to men, but to your Father, who is in secret. And your Father, who sees in secret, will repay you