Science has fulfilled her function when she has ascertained and enunciated truth.

Ecclesiasticism in science is only unfaithfulness to truth

The great tragedy of science -- the slaying of a beautiful hypothesis by an ugly fact.

The scientific spirit is of more value than its products, and irrationally held truths may be more harmful than reasoned errors.

Science is simply common sense at its best--that is, rigidly accurate in observation, and merciless to fallacy in logic.

The great tragedy of science -- the slaying of a beautiful hypothesis by an ugly fact.