25 Percent Quote by Thomas Suddendorf

“Our brains are huge energy consumers (20 percent of our daily caloric intake fuels the brain) but stingy energy users.”

— David DiSalvo

“Homo sapiens, the brain accounts for about 2–3 per cent of total body weight, but it consumes 25 per cent of the body’s energy…

— Yuval Noah Harari

“pound of brain tissue uses twenty times the amount of energy a pound of muscle does.”

— A.G. Riddle

In proportion to our body mass, our brain is three times as large as that of our nearest relatives. This huge organ is dangerous…

— Susan Blackmore

“The body. It’s not easy to carry around, specially when encased inside a massive skull. It’s even harder to fuel. In Homo sapiens, the…

— Yuval Noah Harari

“It has been said that we use 10% of our brains, and it shows.”

— James Brown MD

“Powering your thirteen-watt brain for a hundred years requires the energy in about half a milligram of matter—less than in a typical grain of…

— Max Tegmark

“Everyone knew that at some point in history, early humans got access to a big supply of protein, which allowed their brains to expand…

— Christopher McDougall

To the intelligent man with an interest in human nature it must often appear strange that so much of the energy of the scientific…

— Edward Thorndike

“The brain creates both the mind and the body we experience. A physical thing creates the mental world we inhabit.”

— Bruce M. Hood

The average person puts only 25% of his energy and ability into his work.

— Andrew Carnegie

“Take the myth that we use only 10 percent of our brains. You might well be forgiven for thinking this in the case of…

— D.F. Swaab