Verses with the word labours in the New Testament (5 verses):

John 4:38
I sent you to reap that whereon ye bestowed no labour: other men laboured, and ye are entered into their labours.

2 Corinthians 6:5
In stripes, in imprisonments, in tumults, in labours, in watchings, in fastings;

2 Corinthians 10:15
Not boasting of things without our measure, that is, of other men's labours; but having hope, when your faith is increased, that we shall be enlarged by you according to our rule abundantly,

2 Corinthians 11:23
Are they ministers of Christ? (I speak as a fool) I am more; in labours more abundant, in stripes above measure, in prisons more frequent, in deaths oft.

Revelation 14:13
And I heard a voice from heaven saying unto me, Write, Blessed are the dead which die in the Lord from henceforth: Yea, saith the Spirit, that they may rest from their labours; and their works do follow them.