Kṛṣṇa traces the psychological evolution of the modes. From Goodness, real knowledge is born. From Passion, only greed develops. From Ignorance, the results are madness, illusion, and deeper ignorance. This is the automatic internal feedback loop of our consciousness. We are feeding our own future states of mind with every choice. If you cultivate Sattva (study, clean diet, silence), you naturally become more wise. If you feed Rajas (over-ambition, constant stimulation), you don’t get satisfaction; you just get *more* ‘Lobha’ (greed). The more you have, the more you want. If you feed Tamas (procrastination, intoxicants), your brain literally loses the ability to think straight, leading to ‘Pramāda’ or madness. It teaches us that we are in control of our intellectual health. We shouldn’t wonder why we feel greedy or confused; we should look at what we have been consuming. By choosing the ‘input’ of Goodness, we ensure the ‘output’ of Wisdom. This verse empowers us to design our own mental clarity by choosing the right mode.