-C S Lewis
Mental pain is less dramatic than physical pain, but it is more common and also more hard to bear. The frequent attempt to conceal mental pain increases the burden: it is easier to say â€œMy tooth is achingâ€ than to say â€œMy heart is broken.
We can ignore even pleasure. But pain insists upon being attended to. God whispers to us in our pleasures, speaks in our conscience, but shouts in our pains: it is His megaphone to rouse a deaf world....No doubt pain as God's megaphone is a terrible instrument; it may lead to final and unrepented rebellion. But it gives the only opportunity the bad man can have for amendment. it removes the veil; it plants the flag of truth within the fortress of the rebel soul.
Let me make it quite clear that when Christians say the Christ-life is in them, they do not mean simply something mental or moral. When they speak of being "in Christ" or of Christ being "in them", this is not simply a way of saying that they are thinking about Christ or copying Him. They mean that Christ is actually operating through them; that the whole mass of Christians are the physical organism through which Christ acts--that we are His fingers and muscles, the cells of His body.
Those who put themselves in His hands will become perfect, as He is perfect- perfect in love, wisdom, joy, beauty, health, and immortality. The change will not be completed in this life, for death is an important part of the treatment. How far the change will have gone before death in any particular Christian is uncertain.