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“Our two greatest problems are gravity and paper work. We can lick gravity, but sometimes the paperwork is overwhelming.”
“The Newtonian scheme says that the planet tends to move in a straight line, but the sun's gravity pulls it away. Einstein says that the planet tends to take the shortest route and does take it.”
“A positive pressure produces an attractive gravitational field... Positive pressures are just sort of normal pressures and attractive gravity is normal gravity, so normal pressures produce normal gravity, but it is possible to have negative pressures, and negative pressures produce repulsive gravity, and that's the secret of what makes inflation possible.”
“Could it be, nevertheless, that Einstein's theory is wrong? Might it be necessary to modify it—to find a new theory of gravity that can explain both the stronger gravity and the apparent antigravity being observed today—rather than simply throwing in invisible things to make the standard model work?”
“I have not been able to discover the cause of those properties of gravity from phenomena, and I frame no hypotheses; for whatever is not deduced from the phenomena is to be called a hypothesis, and hypotheses, whether metaphysical or physical, whether of occult qualities or mechanical, have no place in experimental philosophy.”
“Even though it is, properly speaking, a postprediction, in the sense that the experiment was made before the theory, the fact that gravity is a consequence of string theory, to me, is one of the greatest theoretical insights ever.”
Quotes via Wikiquote (CC BY-SA), each with its original source.
"Gravity" is a song by English recording artist Pixie Lott from her debut album, Turn It Up (2009). Written by Ina Wroldsen, Jonas Jeberg, Mich Hansen and Lucas Secon, the song was released as the album's fourth single on 8 March 2010.
Not who you're looking for? Others named Gravity: fundamental interaction affecting all matter · 2013 film directed by Alfonso Cuarón · song by Maaya Sakamoto · 1985 album by saxophonist Kenny G.