Christ went out of his way to avoid forcing people to believe
http://www.tsdowntown.com/component/.../message/doubt
Why didn't Christ simply appear to those who crucified him? Christ invites doubt.
“… the greatest detractor from high performance is fear: fear that you are not prepared, fear that you are in over your head, fear that you are not worthy, and ultimately, fear of failure. If you can eliminate that fear—not through arrogance or just wishing difficulties away, but through hard work and preparation—you will put yourself in an incredibly powerful position to take on the challenges you face" - Pete Carroll.