▁vac u um || ▁Pse udo - ex plan ation ▁for ▁why ▁a ▁liquid ▁will ▁clim b ▁up ▁a ▁t ube ▁to ▁fill ▁a ▁vac u um , ▁often ▁given ▁before ▁the ▁discovery ▁of ▁atmos pher ic ▁pressure . ▁| - ▁| n atura ▁art is ▁mag istra || N ature ▁is ▁the ▁teacher ▁of ▁art || The ▁name ▁of ▁the ▁zoo ▁in ▁the ▁centre ▁of ▁Amsterdam ; ▁short : ▁" Art is ". ▁| - ▁| n atura ▁n ih il ▁fr ust ra ▁fac it || n ature ▁does ▁nothing ▁in ▁vain || C f . ▁Arist ot le : ▁" ο ὐ θ ὲ ν ▁ γ ά ρ , ▁ <0xE1> <0xBD> <0xA1> ς ▁ φ α μ έ ν , ▁ μ ά τ η ν ▁ ἡ ▁ φ ύ σ ι ς ▁ π ο ι ε ῖ " ▁( Pol it ics ▁I ▁ 2 , ▁ 1 2 5 3 a 9 ) ▁and ▁Le u ci pp us : ▁" Every thing ▁that ▁happens ▁does ▁so ▁for ▁a ▁reason ▁and ▁of ▁necessity ." ▁| - ▁| n atura ▁non ▁contr ist atur || n ature ▁is ▁not ▁sad den ed || That ▁is , ▁the ▁natural ▁world ▁is ▁not ▁sentiment al ▁or ▁comp ass ion ate . ▁Der ived ▁by ▁Arthur ▁Sch open h auer ▁from ▁an ▁earlier ▁source . ▁| - ▁| n atura ▁non ▁fac it ▁salt um ▁it a ▁ne c ▁lex || n ature ▁does ▁not ▁make ▁a ▁le