Those are the facts necessary to satisfy the elements of a claim for, say, breach of contract: promise, consideration, failure to perform, causation and damages, or the requirements of an affirmative defense: impossibility of performance, for instance.

FORBES: Relevance and Strategy

Yet the abysmal performance of Magellan Fund in the interim is mute testimony to the impossibility of picking winners in advance.

FORBES: Playing With Active Money Managment Is A Losing Game