The greatest thing you can realize in life, is that saying you don't know is the beginning of learning something new. Programmers who never admit they don't know are holding themselves back. Besides, who wants to know everything anyways? Seems like it would be rather boring to not have anything new to learn or explore.
About the Author
Charles Hill (aka., "chill") is a cryptocurrency enthusiast, programmer, and researcher. He has many years of professional experience developing mobile and web applications while working for start-ups in Europe as well as the United States. He is a long-time open-source contributor and for the past few years he has been working full-time developing projects in the Bitcoin community.