Hayek did not believe that the same sort of prediction—and therefore control—that is possible in the natural sciences is attainable in the realm of s… - Alan O. Ebenstein

Expressed egotism is, of course, no reason necessarily to disregard someone’s work, but it is a warning signal. If someone can evaluate his work so poorly, is the work itself likely to be better? In many of his areas of intellectual interest, Popper’s work is wanting.
Hayek did more to advance Popper professionally early in his career than anyone else, and Popper remembered his personal debt to Hayek. Over the years, he wrote him a number of appreciative letters.

Among Mises’s greatest personal attributes was courage. He had the force of will and character to maintain a position that he thought true even if almost no one else did.

Hayek ripped G. W. F. Hegel in The Counter-Revolution of Science’s third part for his “historicism”—the idea, in Hayek’s terminology, that history moves in set and predictable stages. He considered this idea fatally flawed and societies that were based on it to be unsuccessful, unproductive, and unfree. Historicism denies free will. The future is what we make of it.