It is a crime to put a Roman citizen in chains, it is an enormity to flog one, sheer murder to slay one: what, then, shall I say of crucifixion? It is impossible to find the word for such an abomination.
Peace is unattained by part performance of conditions, even as a chemical combination is impossible without complete fulfillment of the conditions of attainment thereof.
If every one said orders were impossible to carry out when they were received where would you be? Where would we all be if you just said, "Impossible," when orders came?