A prince who will not undergo the difficulty of understanding must undergo the danger of trusting.
George SavileThe general rule is that anything that is passed on in reproduction does not undergo senescence.
George C. WilliamsIn marriage, a man becomes slack and selfish, and undergoes a fatty degeneration of his moral being.
Robert Louis StevensonAn army that fought and won a war decisively finds it even more difficult to undergo change.
Eric Shinseki