When in doubt, don't.

When in doubt, don't.

Just think of the tragedy of teaching children not to doubt.

Just think of the tragedy of teaching children not to doubt.

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.

To believe with certainty we must begin with doubting.

To believe with certainty we must begin with doubting.

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 is part of all religion. All the religious thinkers were doubters.

Doubt is part of all religion. All the religious thinkers were doubters.

Faith keeps many doubts in her pay. If I could not doubt, I should not believe.

Faith keeps many doubts in her pay. If I could not doubt, I should not believe.

Doubt is the beginning, not the end, of wisdom.

Doubt is the beginning, not the end, of wisdom.

Fain would I but dare not; I dare, and yet I may not;
I may, although I care not read more

Fain would I but dare not; I dare, and yet I may not;
I may, although I care not for pleasure when I play not.