“Há mais prazer em edificar um castelo no ar do que na terra.”
Citações relacionadas

Happy the man, whose wish and care. A few paternal acres bound, Content to breathe his native air. In his own ground.
Letters of Alexander Pope and several eminent persons from the year 1705 to 1735 - Página 64 http://books.google.com.br/books?id=u075WPEcfDQC&pg=PA64, Alexander Pope - 1735 - 266 páginas
“O neurótico constrói um castelo no ar. O psicótico mora nele. O psiquiatra cobra o aluguel.”
A neurotic is the man who builds a castle in the air. A psychotic is the man who lives in it. A psychiatrist is the man who collects the rent
citado em "Peter's Quotations: Ideas for Our Time" - Página 413, de Laurence J. Peter - Publicado por Morrow, 1977, ISBN 0688032176, 9780688032173 - 540 páginas

If you have built castles in the air, your work need not be lost; that is where they should be. Now put the foundations under them.
Walden, Volume 1 - Página xli http://books.google.com.br/books?id=-EoLAAAAIAAJ&pg=PR41, Henry David Thoreau - Houghton, Mifflin, 1854
Walden

“E o mesmo com Castelo Branco, porque não há castelos de outras cores.”
" Doenças in Rio ", Mixórdia de Temáticas 26-05-2014

“Quatro raízes de todas as coisas: fogo, ar, água e terra.”
http://pl.wikiquote.org/wiki/Empedokles_z_Agrygentu