Tweet He can who thinks he can, and he can’t who thinks he can’t. This is an inexorable, indisputable law. Quote by Pablo Picasso. You May Also Like...Whatever the mind can conceive and believe, it can achieve.Just keep your conscious mind busy with expectation of the best.Everything you can imagine is real.Action is the foundational key to all success.Think good, and good follows. Think evil, and evil follows. You are what you think all day long.Only put off until tomorrow what you are willing to die having left undone.Folks are usually about as happy as they make their minds up to be.What one does is what counts. Not what one had the intention of doing.Remind yourself frequently that the healing power is in your own subconscious mind.