Francis Spufford

Emotions can certainly be misleading: they can fool you into believing stuff that is definitely, demonstrably untrue. Yet emotions are also our indispensable tool for navigating, for feeling our way through, the much larger domain of stuff that isn't susceptible to proof or disproof, that isn't checkable against the physical universe.

English Author

Terry Sanford

Congressional intervention and the availability of intervention demonstrably offset agency indifference; are a guard against arbitrary, improper, and illegal bureaucratic decisions; and provide the power of public pressure to require the nonelected official to be responsive.

American Politician

Atul Gawande

Every country in the world is battling the rising cost of health care. No community anywhere has demonstrably lowered its health-care costs (not just slowed their rate of increase) by improving medical services. They've lowered costs only by cutting or rationing them.

American Scientist

Edgar Bronfman, Jr.

By packaging a full album into a bundle of music with ringtones, videos and other combinations and variations, we found products that consumers demonstrably valued and were willing to purchase at premium prices. And guess what? We've sold tons of them.

American Businessman

Warren Spector

I've made plenty of violent games in my life. I play violent games. They don't affect people in the way that a lot of people think they do. They just don't. It's demonstrably true that they don't, and anybody who thinks they do is just not thinking.

American Designer

Trent Franks

I think cutting our defense capacity not only demonstrably diminishes our national security, but it has a tremendous negative impact in the long run on our economy because we end up having to fight wars and clean up after terrorist disasters.

Richard Dawkins

What has 'theology' ever said that is of the smallest use to anybody? When has 'theology' ever said anything that is demonstrably true and is not obvious? What makes you think that 'theology' is a subject at all?

English Scientist

L. Ron Hubbard

A science is something which is constructed from truth on workable axioms. There are 55 axioms in scientology which are very demonstrably true, and on these can be constructed a great deal.

American Author

Daniel Levitin

Even though we think we're getting a lot done, ironically, multitasking makes us demonstrably less efficient.

E. O. Wilson

Change will come slowly, across generations, because old beliefs die hard even when demonstrably false.

Use 'demonstrably' when you can back up your statement with clear evidence or proof.

Focus on Evidence

'Demonstrably' implies that the results of something are clearly visible, not just a matter of opinion.

Visible Results

Don't use 'demonstrably' if the situation is ambiguous or open to interpretation; it should be straightforward.

Avoid Uncertainty

Use 'demonstrably' to stress superiority when comparing and there are clear metrics supporting it.

Comparative Superiority

It expresses an unquestionable level of quality or status, suggesting there's no room for doubt.

Unquestionable Quality

'Demonstrably' indicates that something is so obvious that it doesn't require further discussion or debate.

No Need for Debate

 will impact those of their adversaries tomorrow. Selfishness may win out in the short-term, but with the proper incentives, peaceful cooperation is not only possible, but demonstrably and mathematically ideal. As for the gingerbread men, their eternity may be pretty crumby, but so long as they go out on a limb,

How to outsmart the...

 governments to actually give research grants because they can then rationalize what they've done to the public because demonstrably the public is interested in what's happening so this kind of research that we're all involved in really is helped by media coverage I

125th Anniversary...

 That's where it gets dangerous. Do you think enough of his supporters have a greater loyalty to the truth than to any Like, the principle of not supporting something that is demonstrably not true actually matters, so there will be a correction at some point?