Constraints Quote by George Friedman

Different constraints are decisive for different situations, but the most fundamental constraint is limited time.

— Gary Becker

Possible is more a matter of attitude, A matter of decision, to choose Among the impossible possibilities, When one sound opportunity Becomes a possible…

— Dejan Stojanovic

Focus on the opportunities, not on the constraints.

— Paul Laseau

The strength of a theory is not what it allows, but what it prohibits; if you can invent an equally persuasive explanation for any…

— Eliezer Yudkowsky

The conflict of theories, leading, as it eventually must, to the survival of the fittest, is advantageous.

— Grove Karl Gilbert

“A situation in which a desired outcome or solution is impossible to attain because of a set of inherently illogical rules or conditions.”

— Joseph Heller

“Instead of freaking out about these constraints, embrace them. Let them guide you. Constraints drive innovation and force focus. Instead of trying to remove…

— 37Signals

Theory is good; but it doesn't prevent things from existing.

— Jean-Martin Charcot

The important question is whether [a theory] is true, not whether envisioning an alternative is too intellectually painful to bear.

— J. D. Trout

A theory has only the alternative of being right or wrong. A model has a third possibility: it may be right, but irrelevant.

— Manfred Eigen

...an optimistic mind-set finds dozens of possible solutions for every problem that the pessimist regards as incurable.

— Robert Anton Wilson

An optimist makes the impossible possible. A pessimist makes the possible impossible.

— Anonymous