according to own lights
according to (one's) own lights
Based on one's beliefs or inclinations. You may not agree with Kara's free-spirited lifestyle, but she has always lived according to her own lights. Come on, you're 30 years old now—you really need to break away from your parents and start living according to your own lights! I don't feel any shame about getting divorced. In fact, it mostly feels like a relief to finally be living according to my own lights!
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
according to one's own lights
according to the way one believes; according to the way one's conscience or inclinations lead one. John may have been wrong, but he did what he did according to his own lights.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.