To have doubted one's own first principles is the mark of a civilized man.

To have doubted one's own first principles is the mark of a civilized man.

Deep doubts, deep wisdom; small doubts, little wisdom.

Deep doubts, deep wisdom; small doubts, little wisdom.

Laugh at yourself, but don't ever aim your doubt at yourself. Be bold. When you embark for strange places, don't read more

Laugh at yourself, but don't ever aim your doubt at yourself. Be bold. When you embark for strange places, don't leave any of yourself safely on shore. Have the nerve to go into unexplored territory.

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

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

Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.

Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.

Doubt indulged soon becomes doubt realized.
- Frances R. Havergal,

Doubt indulged soon becomes doubt realized.
- Frances R. Havergal,

The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people read more

The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts.

There is nothing more dreadful than the habit of doubt. Doubt separates people. It is a poison that disintegrates friendships read more

There is nothing more dreadful than the habit of doubt. Doubt separates people. It is a poison that disintegrates friendships and breaks up pleasant relations. It is a thorn that irritates and hurts; it is a sword that kills.

Our doubts are traitors,
And make us lose the good we oft might win,
By fearing to read more

Our doubts are traitors,
And make us lose the good we oft might win,
By fearing to attempt.