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I've heard it claimed Galileo said or wrote:

All truths are easy to understand once they are discovered. The point is to discover them.

Where did he say this?

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Dialogo sopra i due massimi sistemi del mondo (1632), Day two:

SAGR. Tali [facili da intendersi] sono tutte le cose vere, doppo che son trovete; ma il punto sta nel saperle trovare.

[Stilmann Drake transl., p.225] So [easy to understand] are all truths, once they are discovered; the point is in being able to discover them.

[ Th.Salusbury transl.,209] So are all truths, when once they are found out, but the difficulty lyeth in finding them.

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  • $\begingroup$ ha ha this is false :D there are so high and difficult mathematics nobody can understand only 100 or less person, i.e FERMAT THEOREM proof by andrew wiles $\endgroup$ – Jose Javier Garcia May 22 '17 at 20:54
  • $\begingroup$ @JoseJavierGarcia - The question is: "Where (if any) Galileo writes... ?" and not "Is Galileo right in writing ... ?". $\endgroup$ – Mauro ALLEGRANZA May 24 '17 at 6:29

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