The biggest mistake you can make in trying to talk convincingly is to put your highest priority on expressing your ideas and feelings. What most people really want is to be listened to, respected, and understood. The moment people see that they are being understood, they become more motivated to understand your point of view.

Can you predict the future with absolute certainty? Your answer must be no. You have two options: You can either decide to accept yourself as an imperfect human being with limited knowledge and realize that you will at times make mistakes, or you can hate yourself for it.

You're not a bad person. But you sometimes do bad things. You know what that makes you? Human.

People who expect to feel guilty tend to be more sympathetic, to put themselves into other people's shoes, to think about the consequences of their behaviour before acting, and to treasure their morals. As a result they are less prone to lie, cheat or behave immorally when they conduct a business deal or spot an opportunity to make money, studies suggest. They are also likely to make better employees because people who think less about the future results of their actions are more likely to be late, to steal or to be rude to clients.

Forgiving yourself, not guilt, increases personal accountability.

Reaching for the stars, perfectionists may end up clutching air. They suffer from mood disorders, troubled relationships, and stress. They may even achieve less than others.

If a hungry lion suddenly appeared, you'd be terrified. So terrified you'd probably run away. Great, fear's doing its job. But you might get so afraid that you lock up and can't move. This would be very bad. Guilt's the same. It can prevent you from fixing the situation, make you feel so bad you can't function at 100% and even lead to more guilt-provoking bad behavior.