Following is some advice I've lifted from an Agnes Martin essay called Beauty is the Mystery of Life -
"The way of an artist is an entirely different way. It is a way of surrender. He must surrender to his own mind."
"There is so much written about art that it is mistaken for an intellectual pursuit"
"You must discover the art work that you like and realise the response that you make to it. You must especially know the response that you make to your own work. It is in this way that you discover your direction and the truth about yourself. If you do not discover your response to your own work you miss the reward."
"The newest trend and the art scene are unnecessary distractions for a serious artist. He will be much more rewarded responding to art of all times and places. Not as art history but considering each piece and its value to him."
"To progress in life you must give up the things that you do not like. Give up doing the things that you do not like to do. You must find the things that you do like."
"While you go along with others you are not really living your life. To rebel against others is just as futile. You must find your own way."