artist: Toni Mitjanit (@spaghetticoder77)

author: Alan Watts (The Book)

artist: Eli McMullen (@elimcmullen)

author: Bertrand Russell

artists: Mr. Babies (@mr.babies); Mariano Peccinetti (@marianopeccinetti)

author: Theodore Roosevelt

artist: Mark Kostabi (@mark_kostabi)

artist: Chuck Sperry (@yosquirt)

artist: Bryce Willem (@brycewillem)

artist: Lukáš Hehejík (@lukashehejikartist)

artist: Zouassi (@zouassi)

author: Ram Dass

artists: Alex Grey (@alexgreycosm); Amy Lincoln (@amyplincoln)

artist: Unknown

artist: Adrian Cox (@adriancoxart)

artist: Mariano Pascual (@mariano_pascual)

artist: Patrick Savile (@patricksavile)

author: Wilhelm von Humboldt

artist: Ari Weinkle (@ariweinkle)

artist: Dylan Beyer (@wiggedoutart)

artist: Jasmin Meier (@harleyandj)

artist: Rachel Breeden (@circa78designs)

author: Erik Davis

artist: Huig Markus (@huigmarkus)