Ethics is a code of conduct which promotes virtue and character. There need to be ethics in my personal, social and professional life.
To be ethical means to have a code of conduct for the self. A personal code of conduct can be maintained when the intellect is not easily shaken by small matters. For this reason, it is useful to have self-discipline.
Self-discipline makes everything accurate, beautiful, spiritual and simple. It is easy to have good relations with somebody who has good self-discipline.
The first level of ethics and code of conduct is to have a generous heart. When your heart is not generous, there is distress; you can neither do what you want nor communicate clearly. You cannot even cooperate with others. Feeling always low on energy, you will be cautious about how much you give.
A generous heart is not a question of giving money, but a state of relating to everyone as an equal.