"Whoever in discussion adduces authority uses not intellect but rather memory."

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

"To fight an enemy properly, you have to know what they are. Ignorance is defeat."

— Greg Bear

Literature1951–2022

#knowledge

"Since all of us, men and women of this restless and eager generation—surrounded by forces we dimly see but cannot as yet understand, discontented with old ideas and half afraid of new, greedy for the …"

— Annie Besant

Politics1847–1933

#knowledge

"recent researchers in artificial intelligence and computational methods use the term swarm intelligence to name collective and distributed techniques of problem solving without centralized control or …"

— Michael Hardt and Antonio Negri

#knowledge

"The educated classes were apt to speak in a patronizing tone of the "masses of the people", and to talk of political education as if it were only needed by those masses, but the fact was that the midd…"

— James Bryce

Sports1838–1922

#knowledge