In a nutshell humanists believe in the natural not the supernatural.
Although some flock to the UU church, since it has no basic belief and excepts all sects.
revpo

As well as believing in the natural humanists also believe in ethics

Good point, Joevegan. Ethics are central to humanism. I'm not sure if this thread is for humanists in general or for secular humanists only, but nice to meet another humanist. I consider myself a humanist, too, although I am a theist (Episcopalian panentheist or panendeist), because my ethics are informed by reason and science and I do not feel it is at all necessary for a person to be a theist in order to be ethical and moral.

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"For small creatures such as we the vastness is bearable only through love."
- Carl Sagan

Have you read the Humanist Manifestos?

What's most interesting about I, II, and III is how different they are from each other and how the emphasis shifts from one to the next. I probably couldn't sign any of them, but there are certainly significant elements of all three I agree with. This page covers most of my objections, actually:
Chapter 7: Critiques from Humanists Who Did Not Sign

I guess I don't feel that any of the Manifestos really encompass the full spectrum and history of humanism as a philosophy (and sometimes religion). But then, any time something is called a Manifesto, I am already on my guard. While I am open to the possibility that some day I will find a document which references itself as a manifesto that I can agree with wholly, I can't say I have ever found one to date. That's also true of documents which are identified as holy scriptures as well.

My humanism is small "h" and while I have great respect for big "h" Humanists, I don't think they own humanism or the definition thereof any more than any of the innumerable Christian churches should lay claim to owning the only acceptable form of Christianity. I just happen to feel the small "h" applies to my own views better. Usually almost anything that capitalizes itself eventually falls into dogmatism and then almost inevitably factions arise. It's sort of unavoidable if your belief system is named after a figure such as the Buddha or the Christ, that there is going to be capitalization, but humanism isn't following in the footsteps of anyone named or titled Human with a big "h" and I guess to me, that seems like part of the whole point of it. Merriam-Webster's definition still includes me. I was curious, so I checked.

__________________
"For small creatures such as we the vastness is bearable only through love."
- Carl Sagan