What does John 14:1-4 mean?

1 Let not your heart be troubled: ye believe in God, believe also in me. 2 In my Father’s house are many mansions: if it were not so, I would have told you. I go to prepare a place for you. 3 And if I go and prepare a place for you, I will come again, and receive you unto myself; that where I am, there ye may be also. 4 And whither I go ye know, and the way ye know. (John 14:1-4 KJV)

William Burkitt New Testament

Our blessed Saviour in the foregoing chapter, having acquainted his disciples with his approaching death, by the treachery of Judas, their hearts were thereupon overwhelmed with grief and trouble. Accordingly in this chapter, by sundry arguments, he comforts his disciples against the perplexity of their fears and sorrows.  

Observe, 1. How Christ addresses himself to his disciples in a very endearing and affectionate manner;  Let not your hearts be troubled.  

Whence learn, 1. That the best and holiest of God’s children and servants, whilst here in an imperfect state, are subject to desponding, and disquieting and distrustful fears.  

2. That no work is more delightful to our Saviour, than to comfort the troubled and perplexed spirits of his servants.  

Observe, 2. The remedy which Christ prescribes for the calming their present fears, and for arming them against future troubles, and present fears, and for arming them against future troubles, and that is, Faith in the Father and in himself: Ye believe in God, believe also in me.  

Observe next, The arguments of consolation which Christ propounds for the support of his disciples, under the sorrow which they had conceived for his approaching departure.  

1. He tells them, That heaven, whither he was now going, was his Father’s house, a place of happiness, not designed for himself also, but for many more to enjoy perpetual rest and abode in, as in everlasting mansions: In my Father’s house are many mansions.  

Heaven is God’s house, in which he will freely convese with his domestics, his children and servants, and they shall enjoy full glory there, as in a quiet and capacious habitation.  

A second ground of comfort is, that he assures them, he will come again and receive them to himself, that they may live together with him in the heavenly mansions. This promise Christ makes good to his saints, partly at the day of their death, and perfectly at the day of judgment, when he shall make one errand for all, and take up all is children to himself, and make them completely happy, both in soul and body, with himself.  

Learn hence, That though Christ has removed his bodily presence from his friends on earth, yet his love to them is not ceased, nor will he rest satisfied till he and they meet again, eternally to solace themselves in each other’s company: I will come again and receive you to myself, that where I am, there ye may be also.  

A third argument for consolation is, that, notwithstanding Christ was to leave them, yet they knew whither he went: namely, to heaven, and which was the way thither; Whither I go ye know, and the way ye know.  

It contributes much to the comfort of believers, as to know God and heaven, so to know the way that leads thither, that so they may be armed against all the difficulties of that way.