People often say that indifference is a philosophy. There are Yogis, ascetics, adepts, mystics who say that indifference gives great power. But interest also gives great power. The whole of manifestation is a phenomenon of interest. All that we see in this world of art and science, the new inventions, the beautiful houses, all this world that man has made, where has it come from? It has come from the power of interest. The power of interest is behind it all, and it is that power which has enabled man to create it.