Proverbs 29:25:

The fear of man bringeth a snare: but whoso putteth his trust in the LORD shall be safe.

See also:

Perfectionism and the Fear of Making Mistakes
What Are the Differences Between the Gift of Faith, the Gifts of Healings, and the Working of Miracles?
Objection: If You Suffer More in This Life, You Get a Greater Reward in Heaven
Notes on Romans 1:26-27