I do not know anyone who has got to the top without hard work. That is the recipe. It will not always get you to the top, but should get you pretty near.
"Hope to the last!" said Newman, clapping him on the back. "Always hope; that's dear boy. Never leave off hoping; it don't answer. Do you mind me, Nick? it don't answer. Don't leave a stone unturned. It's always something, to know you've done the most you could. But, don't leave off hoping, or it's of no use doing anything. Hope, hope, to the last!"
Human potential is the same for all. Your feeling, 'I am of no value', is wrong. Absolutely wrong. You are deceiving yourself. We all have the power of thought — so what are you lacking? If you have will-power , then you can do anything. It is usually said that you are your own master.