I don't think necessity is the mother of invention. Invention, in my opinion, arises directly from idleness, possibly also from laziness - to save oneself trouble.
Agatha ChristieYour not reliable. You wouldn't be at all a comfortable sort of person to live with.
Agatha ChristieThe steamship whose machinery is broken may be brought into port and made fast to the dock. She is safe, but not sound. Repairs may last a long time. Christ designs to make us both safe and sound. Justification gives the first - safety; sanctification gives us the second - soundness.
Agatha Christie