Those that only take a nibble here and a nibble there will never attain anything ... Those who really want to be yogis must give up, once and for all, this nibbling at things. Take up one idea. Make that one idea your life - think of it, dream of it, live on that idea.
I do not think there is any thrill that can go through the human heart like that felt by the inventor as he sees some creation of the brain unfolding to success ... Such emotions make a man forget food, sleep, friends, love, everything.