Theories are more common than achievements in the history of education. — Richard Livingstone Copy Share Image
Theories by women about women have only recently begun to appear in print. Theories by men about women are abundant. — Patricia Ann Meyer Spacks Copy Share Image
“You come to nature with all your theories, and she knocks them all flat.” — Anonymous Copy Share Image
Before I married, I had three theories about raising children and no children. Now, I have three children and no theories. — John Wilmot Copy Share Image
“Let us not lose other people in the clouds of our own theories.” — Guibert de Nogent Copy Share Image
When deciding between two competing theories, always go with the one that doesn't involve a magic spell. — Emo Philips Copy Share Image
You see, time is an ocean, not a garden hose. Space is a puff of smoke, a wisp of cloud. — David Wong Copy Share Image
It is a test of true theories not only to account for but to predict phenomena. — William Whewell Copy Share Image
I don't have any theories about acting, and I don't think about how to do it, except that an actor shouldn't take… — James Garner Copy Share Image
The history of science shows that theories are perishable. With every new truth that is revealed we get a better understanding of… — Nikola Tesla Copy Share Image
In painting, as in the other arts, there's not a single process, no matter how insignificant, which can be reasonably made into… — Pierre-Auguste Renoir Copy Share Image
I love conspiracy theories. I used to just live on it. You know it's all hype and garbage, but you're still really… — Doug Stanhope Copy Share Image
Every theory presented as a scientific concept is just that; it's a theory that tries to explain more about the world than… — Marvin Harris Copy Share Image
There can be theory but, you know, the problem is you've got to be able to test it. So theories are one… — Brian Schmidt Copy Share Image
There are two theories. There's one theory that Barack Obama wants to destroy the country and create a socialistic country. There is… — Donald Trump Copy Share Image
Some people have facts; these can be proven. Some people have theories; these can be disproven. But people with opinions are mindless… — P. J. O'Rourke Copy Share Image
Theories of history used to be supernatural: the divine ruled time; the hand of God, a special providence, lay behind the fall… — Jill Lepore Copy Share Image
Sure, theories of humor discern a few broad invariants: incongruity, misattribution, etc. But whereas I might find a blind date gone horribly… — Paul Di Filippo Copy Share Image
Theory is a dirty word in some managerial quarters. That is rather curious, because all of us, managers especially, can no more… — Henry Mintzberg Copy Share Image
I'll tell you what makes me feel worthwhile: organizing and solving other people's problems. It makes me feel good to go to… — Rudy Giuliani Copy Share Image
History has got a lot to do with unique circumstances under certain particular cases and grand theories will always find counter cases.… — Richard Lewontin Copy Share Image
A common misconception about how things such as space shuttles come to be is that engineers simply apply the theories and equations… — Henry Petroski Copy Share Image
First, it is necessary to study the facts, to multiply the number of observations, and then later to search for formulas that… — Augustin-Louis Cauchy Copy Share Image
“Here you have learned the theories of life," continued the Headmaster, resuming the thread of his discourse, "but after all, life is… — Heywood Broun Copy Share Image
