The classics of Marxism, while fully appreciating the significance of the Darwinian theory, pointed out the errors of which Darwin was guilty. Darwin's theory, though unquestionably materialist in its main features, is not free from some serious errors.

Darwin himself, in his day, was unable to fight free of the theoretical errors of which he was guilty. It was the classics of Marxism that revealed those errors and pointed them out.

Sometimes we may learn more from a man's errors, than from his virtues.

The Administration has made critical mistakes and errors in judgment leading up to the war in Iraq. The President refuses to acknowledge these mistakes, and thus, no corrective action has been taken to prevent these problems from happening again.

The disruptive powers of excessive national fecundity may have played a greater part in bursting the bonds of convention than either the power of ideas or the errors of autocracy.

A man's errors are his portals of discovery.

A man of genius makes no mistakes; his errors are volitional and are the portals of discovery.

The mistake we make is to attribute to religions the errors and fanaticism of human beings.

He who knows nothing is closer to the truth than he whose mind is filled with falsehoods and errors.

Errors of opinion may be tolerated where reason is left free to combat it.

Our errors are surely not such awfully solemn things. In a world where we are so certain to incur them in spite of all our caution, a certain lightness of heart seems healthier than this excessive nervousness on their behalf.

Irrationally held truths may be more harmful than reasoned errors.

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

Man approaches the unattainable truth through a succession of errors.

Generally speaking, the errors in religion are dangerous; those in philosophy only ridiculous.