I came to the conclusion long ago that all religions were true and that also that all had some error in them, and while I hold by my own religion, I should hold other religions as dear as Hinduism. So we can only pray, if we were Hindus, not that a Christian should become a Hindu; but our innermost prayer should be that a Hindu should become a better Hindu, a Muslim a better Muslim, and a Christian a better Christian.
The ideal that marriage aims at is that of spiritual union through the physical. The human love that it incarnates is intended to serve as a stepping stone to diving or universal love.
Surely conversion is a matter between man and his Maker who alone knows his creatures' hearts. A conversion without a clean heart is, in my opinion, a denial of God and Religion. Conversion without cleanliness of heart can only be a matter of sorrow, not joy, to a godly person.