Doubt is uncomfortable, certainty is ridiculous.

Doubt is an uncomfortable condition, but certainty is a ridiculous one.

Doubt is not a pleasant condition, but certainty is absurd

Doubt is not a pleasant mental state, but certainty is a ridiculous one.

It is better to risk saving a guilty person than to condemn an innocent one.

If you think you've hit a false note, sing loud. When in doubt, sing loud.