The "Unforgivable" Sin

I recently went on a trip to Uganda and while over there God really started to work in my heart. I realized how frivolous we American Christians can be sometimes about certain sins and behaviors. There is nothing wrong with concerning ourselves with discernment or wanting to have a good conscience about certain things, but I realized I usually concentrate on certain sins, in order to cover up the fact I neglect the weightier ones like Jesus talks about. The nonprofit I was with helped by asking for only a dollar a month (in hopes of getting many people to join and unify to the cause) to help give water, education, and micro finance to underprivileged people overseas. It was a beautiful thing to see how me just giving one dollar actually was paying for housing, food, clean water, and education in places like Uganda. To be honest I don't even realize when the $1.00 comes out of my account because it's so small. So my question to you is can we take an honest look at our life and ask whether or not we are living in simple obedience of Jesus' commands? We can be the hands and feet of Jesus and I now know from personal experience that preaching the gospel while also providing and serving the basic needs of others is one of the most joy filled lives we could have. A life lived for serving others, is a life not wasted.