How can you can do anything?

Underestimate literally means "To consider (someone) to be less capable or effective than is actually the case." Some people have a great ability to significantly underestimate others. They can control other people with words to prevent them from exceeding their capabilities. Some do it for fun, while others do it to keep others under them. They constantly want to tell other people, "You can't do this, I know you."

You can't say that someone shouldn't try to learn how to ride a bike, apply for this job, or risk their money in trading because you know them; you don't know anyone in this world. They can only determine whether they can or cannot do something by trying it, therefore you should attempt to judge less and assist more. If you can't be a ladder for them, at least try to avoid being the fire that consumes their spirit.

Humans must have a realistic sense of self-worth; they must not exaggerate it, and cease considering what others are saying. Simply follow your passion and you'll succeed with hard work and perseverance. So, don't underestimate yourself and others.