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We demonstrate that reciprocal Maupertuis' Principle is the classical limitof Schr\"{o}dinger's Variational Principle in Quantum Mechanics.Comment: To appear in the Michael Marinov Memorial Volume, "Multiple facets of  quantization and supersymmetry", edited by M. Olshanetsky and A. Vainshtein  (World Scientific). We corrected TEX style of the paper so that the names of  both authors can be seen in PS file no

NEW VARIATIONAL PRINCIPLES IN CLASSICAL AND SEMICLASSICAL MECHANICS