Belief in oneself (read sometimes as belief in God) can help one overcome any hurdle in life's path.

Alternative spelling of O ye of little faith

A response to an expression of doubt or uncertainty.

Alternative spelling of O me of little faith

(humorous) Drawing attention to one's own doubt or skepticism.

(UK) A polite, formulaic end to a letter, used especially when the sender does not know the recipient's name, for example in a business letter.

In a faithful manner. / (US) A conventional formula for ending a letter, used when the salutation addresses the person for whom the letter is intended using an honorific.

Archaic spelling of faithful.

A surname.

superlative form of faithful: most faithful