Romans 12:15 in the World English Bible
Rejoice with those who rejoice. Weep with those who weep.
Context
14 Bless them which persecute you: bless, and curse not.
15 Rejoice with them that do rejoice, and weep with them that weep.
16 Be of the same mind one toward another. Mind not high things, but condescend to men of low estate. Be not wise in your own conceits.