Heather Mac Donald
Heather Mac Donald

Females have always been the biggest consumers of spiritual hoaxes such as astrology, crystals, seances, and other metaphysical claims about the world that rest simply on assertion rather than scientific proof.

Henry Flynt
Henry Flynt

When somebody says that all statements are false, the obvious problem is that as an assertion it's self-defeating.

J. Robert Oppenheimer
J. Robert Oppenheimer

There must be no barriers to freedom of inquiry. There is no place for dogma in science. The scientist is free, and must be free to ask any question, to doubt any assertion, to seek for any evidence, to correct any errors.

James Anthony Froude
James Anthony Froude

Philosophy goes no further than probabilities, and in every assertion keeps a doubt in reserve.

Jennifer Grant
Jennifer Grant

Can't blame men for wanting him. And wouldn't be surprised if Dad even mildly flirted back. Dad somewhat enjoyed being called gay. He said it made women want to prove the assertion wrong.

Jessye Norman
Jessye Norman

It is still more likely that a woman's power would be seen as aggression, and a man's power would be seen as assertion.

Johannes Rau
Johannes Rau

A hundred years ago, when Richard Strauss, who has already been quoted and already been heard today, and other creative people, laid the foundation stone for the joint assertion of their rights and interests, they had pioneering work ahead of them in Germany.

John F. Kerry
John F. Kerry

Foreign policy is effectively the assertion of many individual countries intersecting on the global marketplace. And you have to figure out how to get your interest served in a way that meets the interests and needs of these other folks.

John McDonnell
John McDonnell

The assertion that the war in Iraq has had no role in increasing the terrorist threat to Britain is clearly just intellectually unsustainable.

Joseph Rotblat
Joseph Rotblat

As for the assertion that nuclear weapons prevent wars, how many more wars are needed to refute this arguments? Tens of millions have died in the many wars that have taken place since 1945.