William Shakespeare said this quote

We defy augury. There is special providence inthe fall of a sparrow. If it be now, 'tis not to come; if it be not tocome, it will be now; if it be not now, yet it will come—thereadiness is all. Since no man, of aught he leaves, knows what is'tto leave betimes, let be. (Hamlet 5.2.217-224)