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.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.Thinking is the talking of the soul with itself.Only put off until tomorrow what you are willing to die having left undone.Everything is a miracle. It is a miracle that one does not melt in one's bath.Inspiration exists, but it has to find you working.Remind yourself frequently that the healing power is in your own subconscious mind.