When terrorists attacked the symbols of our national unity and strength they failed to realize that they were just symbols of our strength. The real strength of our nation comes from our people - not our buildings.

Terrorists have failed to trigger mass conflict between Muslims and non-Muslims in Europe. We should draw strength from that fact.

In all my perplexities and distresses the Bible has never failed to give me light and strength.

Modernity the child of the Enlightenment failed when it became apparent that the good society cannot be achieved by unaided reason.

While that amendment failed human cloning continues to advance and the breakthrough in this unethical and morally questionable science is around the corner.

In the spirit of science there really is no such thing as a 'failed experiment.' Any test that yields valid data is a valid test.

We have failed to protect science against speculative extensions of nature continuing to assign physical and mathematical properties to hypothetical entities beyond what is observable in nature.

Of all the failed technologies that litter the onward march of science - steam carriages zeppelins armoured trains - none has been so catastrophic to prosperity as the last century's attempt to generate electricity from nuclear fission.

Haven't two hundred years of failed missionary work overseas taught anybody anything? You can't convert people to anything - whether religion or something as inane as our flicks.

There's nothing worse than walking around and talking about your failed relationship all day every day for months on end.