The day will come when the cow will have use for her tail. When fire is applied to a stone it cracks. Need teaches a plan. Necessity is the mother of invention. Lack of resource has hanged many a person.
Time is a great story teller.
There is no need like the lack of a friend. Nodding the head does not row the boat. A heavy purse makes a light heart. The whole world couldn't better a proverb. Pebbles suit walls as well as big rocks.