“To win men to acceptance of Jesus Christ as Saviour and Lord is the only reason Christians are left in this world.” – R.A Torrey
The rest of the things a Christian can do in this world are done better in Heaven. We will be perfectly sanctified in Heaven. We will worship God perfectly in Heaven. We will love God perfectly in Heaven…. The only thing that can be done on earth but not in Heaven, is speaking to non-Christians about Christ.
Not to say this is the only thing a Christian should do, but this is a helpful thing to remember what the Christian’s primary purpose on this earth is.