As the calf recognises its dam even when the latter may stand among thousands of her kind, similarly the acts done by one in his past life come to him in the next life although he may live among thousands of his species.
यथा धेनुसहस्रेषु वत्सो विन्दति मातरम्। तथा पूर्वकृतं कर्म कर्तारमनुगच्छति॥