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You know what 'DOUBT' stands for? It stands for 'Debate On Understanding Bewildersome Thoughts.'

These days I am ruled by doubt, and that is a difficult place to write from.

If, amid the multitude of contending counsel, you have hesitated and doubted; if, when a great measure suggested itself, you have shrunk from the vast responsibility, afraid to go forward lest you should go wrong, what wonder?

Doubt is an uneasy and dissatisfied state from which we struggle to free ourselves and pass into the state of belief; while the latter is a calm and satisfactory state which we do not wish to avoid, or to change to a belief in anything else.

Pondering, which means to weigh mentally, to deliberate, to meditate, can achieve the opening of the spiritual eyes of one's understanding.

Faith is what replaces doubt in my dictionary.

The suspicious mind believes more than it doubts. It believes in a formidable and ineradicable evil lurking in every person.

Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.

When in doubt, do something.

However you arrive at the ability to ignore self-doubt - if you can acquire it or possess it or find it or discover it - move beyond self-doubt.