Paul Tillich - Doubt is not the opposite of faith; it is one element of faith.

Paul Tillich - The courage to be is rooted in the God who appears when God has disappeared in the anxiety of doubt.

Thomas Aquinas - To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.

Khalil Gibran - Doubt is a pain too lonely to know that faith is his twin brother.

Andrew Solomon - I often say that the opposite of depression is not happiness but vitality.

Malala Yousafzai - Let us remember: One book, one pen, one child, and one teacher can change the world.

Freya Stark - Christmas... is not an external event at all, but a piece of one's home that one carries in one's heart.

Eric Sevareid - Better to trust the man who is frequently in error than the one who is never in doubt.

Ralph Waldo Emerson - The faith that stands on authority is not faith.

Dale Carnegie - Inaction breeds doubt and fear. Action breeds confidence and courage. If you want to conquer fear, do not sit home and think about it. Go out and get busy.

Paul Brunton - Worry is spiritual short sight. Its cure is intelligent faith.

John Paul Jones - If fear is cultivated it will become stronger, if faith is cultivated it will achieve mastery.

Saint Ignatius - Among the many signs of a lively faith and hope we have in eternal life, one of the surest is not being overly sad at the death of those whom we dearly love in our Lord.

Stewart Butterfield - The element of teamwork is perhaps underappreciated.

Jean-Paul Sartre - For an occurrence to become an adventure, it is necessary and sufficient for one to recount it.

Pope John Paul II - Do not abandon yourselves to despair. We are the Easter people and hallelujah is our song.