sharing the gospel

The excuses I have heard over the years as to why many professing Christians don't share the Gospel with anyone...it boggles the mind:

The word of God is so plenteous in variety and depth for knowledge and understanding. There is no bottom to the well of the knowledge that can be brought up from that well by the bucket full each time we draw through reading and study. For years I struggled with a desire to bring larger and...

This may work on some, but not all. It is, however, interesting.