The word must is not to be used to princes.
Grief never ends, but it changes. It is a passage, not a place to stay. Grief is not a sign of weakness nor a lack of faith: it is the price of love.
If we still advise we shall never do.
I have no desire to make windows into men's souls.
I pray to God that I shall not live one hour after I have thought of using deception.
If there were two princes in Christendom who had good will and courage, it would be very easy to reconcile the religious difficulties; there is only one Jesus Christ and one faith, and all the rest is a dispute over trifles.