Richard P. Feynman
Richard P. Feynman

It is a curious historical fact that modern quantum mechanics began with two quite different mathematical formulations: the differential equation of Schroedinger and the matrix algebra of Heisenberg. The two apparently dissimilar approaches were proved to be mathematically equivalent.

Sheila Jackson Lee
Sheila Jackson Lee

It is a historical fact that President Bush pushed this nation into a war that had little to do with apprehending terrorists. We did not seek an impeachment of President Bush because, as an executive, he had his authority.

Stanley Fish
Stanley Fish

I should have known better. Pro-life arguments are now based on scientific evidence and the pro-choice arguments are not. That is a cultural, historical fact.

Viktor Orban
Viktor Orban

In Hungary, if homosexuals would like to live together, they can do so under the civil code. But what we call marriage is exclusively for one man and one woman. We are a Christian country. That's a historical fact.

Wendell Willkie
Wendell Willkie

But we cannot just take this historical fact for granted. We must make it live.