"The greatest deception men suffer is from their own opinions."

Leonardo da Vinci Mathematics See all quotes by Leonardo da Vinci →

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“3 miglia più in là si trova li edifici della vena del rame e dello argento, presso una terra detta Pra Santo Petro e vene di ferro e cose fantastiche. (Ancient Italian)”

“truovasi di miglio i(n) miglio bone osteriee. (Ancient Italian)”

“Subito salse in me due cose: paura e desiderio: paura per la minacciante e scura spelonca, desiderio per vedere se là entro fusse alcuna miracolosa cosa. (Ancient Italian)”

“Fa vini potenti e assai, … e ‘l vino vale el più uno soldo il boccale e la libbra della vitella un soldo e ‘l sale 10 dinari, e ‘l simile il burro, ed è la loro libbra 30 once, e l’ova un soldo la soldata. (Modern Italian)”

“Movement will fail sooner than usefulness.”

“A shadow will appear dark in proportion to the brilliancy of the light surrounding it and conversely it will be less conspicuous where it is seen against a darker background.”

Resonant Thoughts

"Look at the men themselves who lead in this cause. Is there one among them with whom you would trust yourself in the dark? Can you have, I will not say, any confidence in their opinions and principles…"

— Charles Grey

Politics1903–1984

#ethics

"Heathrow the next morning looked like one of those bad science fiction movies "set in the near future" after the security forces have taken over the state. Two armored personnel carriers were parked o…"

— Robert Harris (novelist)

Literature1957

#freedom

"It cannot but occur to every person's observation, that as long as parties exist in the country , they will have their friends and adherents. A great political character, who held a high situation in …"

— Lloyd Kenyon

1696

#friendship

"The Marxian theory of ideology predicts that the ruling ideas in any well functioning society will be ideas that promote the interests of the ruling class in that society, i.e., the class that is econ…"

— Brian Leiter

Philosophy1963

#justice