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.
Alan GuthRelated topics
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That this subject [of imaginary magnitudes] has hitherto been considered from the wrong point of view and surrounded by a mysterious obscurity, is to be attributed largely to an ill-adapted notation. If for instance, +1, -1, √-1 had been called direct, inverse, and lateral units, instead of positive, negative, and imaginary (or even impossible) such an obscurity would have been out of question.
Carl Friedrich Gauss
The public, therefore, among a democratic people, has a singular power, which aristocratic nations cannot conceive; for it does not persuade others to its beliefs, but it imposes them and makes them permeate the thinking of everyone by a sort of enormous pressure of the mind of all upon the individual intelligence.
Alexis de Tocqueville
Previously I always thought it was just tactical and technique, but every match has become almost mental and physical-I try to push myself to move well. I try to push myself not to get upset and stay positive, and that's what my biggest improvement is over all those years. Under pressure I can see things very clear.
Roger Federer
Keep in mind that the practice of dream interpretation is not generally useful for spiritual advancement. [...] People codify things and events as positive or negative based on culture. Even within a culture there can be variations of codification. Thus, dream analysis by the average person often can lead to confusion due to personal speculation and mental gymnastics.
Bhakti Tirtha Swami
But to everything in this world there comes an end; there even comes an end to the torments suffered in those intermediate states of transition when the last secret tear of one's soul is bitterly swallowed, and the crisis passes, resolving itself into some new sort of phase, which even as it comes into existence is fated in turn to pass away, to disappear in the eternal changing of the times and seasons.
Nikolai Bukharin
