“If one has not a head of steel it will burst; if he has not within it a brain of liquid quicksilver, he will not obtain in it a looking-glass; if he has not a skin of tin he will… — Ioannes Amos Commenius Copy Share Image
“If one has not a head of steel it will burst; if he has not within it a brain of liquid quicksilver, he will… — Ioannes Amos Commenius Copy Share Image
“Am I, then, a beast, that I should risk my life merely for the sake of my body, and for the purpose of collecting… — Ioannes Amos Commenius Copy Share Image
“My guides, and indeed those of everyone who gropes through this world, are two. Insolence of the mind, which inquires into everything, and inveterate… — Ioannes Amos Commenius Copy Share Image
