The overwhelming majority of leadership books that I read rate character as the number one issue facing leaders in any culture. I have found out the hard way, that the only successful way I can sustain positive change is to change what I believe first and that determines then how I behave. This is an excellent HBR post:
“At companies across the globe, the layers of compliance mechanisms are growing. At first blush this seems to make sense: Perhaps the most obviously straightforward method of preventing unethical or damaging behavior is increasing the number of rules designed to curtail it. ”