Take up one idea. Make that one idea your life – think of it, dream of it, live on that idea. Let the brain, muscles, nerves, every part of your body, be full of that idea, and just leave every other idea alone. This is the way to success.

Ok. So Swami Vivekananda wasn’t thinking of startups or entrepreneurship when he spoke these words. But they are definitely words of wisdom for today’s startups and entrepreneurs. The power of focus. The discipline to leave every other idea alone. I struggle with it every day.