"The lifeblood of any business is innovation."
A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.
一个想法的价值在于它的使用。
"Experience is simply the name we give our mistakes."
Man's survival, from the time of Adam and Eve until the invention of agriculture, must have been precarious because of his inability to ensure his food supply.