What the difference between I believe myself and in myself?

"I believe myself" implies a sense of self-confidence and personal trust in one's own abilities, convictions, and actions. It expresses a belief in oneself and one's potential to achieve, succeed, or be who you want to be.

"I believe in myself" can also have a reflective aspect, as in considering and examining oneself, one's beliefs, and one's path. It emphasizes a connection with oneself and a process of introspection and growth.

In summary, "I believe myself" highlights self-confidence and trust, while "I believe in myself" suggests self-reflection and personal development.