The key to your happiness is to own your slippers, own who you are, own how you look, own your family, own the talents you have, and own the ones you don't. If you keep saying your slippers aren't yours, then you'll die searching, you'll die bitter, always feeling you were promised more. Not only our actions, but also our omissions, become our destiny.
The reasonable man adapts himself to the world; the unreasonable one persists to adapt the world to himself. Therefore all progress depends on the unreasonable man.
Above all, beware of compromises. I do not mean that you are to get into antagonism with anybody, but you have to hold on to your own principles in weal or woe and never adjust them to others "fads" thought the greed of getting supporters.
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.