The first principle is that you must not fool yourself—and you are the easiest person to fool. 

American theoretical physicist Richard Feynman delivered the commencement speech to the 1974 Caltech California Institute of Technology graduate students. He titled the speech “The Cargo Cult Science“.

I have just one wish for you—the good luck to be somewhere where you are free to maintain the kind of integrity I have described, and where you do not feel forced by a need to maintain your position in the organization, or financial support, or so on, to lose your integrity.  May you have that freedom.