means of grace

Hello, brothers, I've been studying the duty of self-examination lately, and it struck me that I have never found a good list of Christian duties. Nor do I live my life with such a list in mind besides the means of grace in general. This may ultimately be from the fact that were all the...

I need a proper definition as found in the creeds or Calvin's Institutes and so on. I'm working on a sermon outline and could really use some help. Thanks a lot.