Building Castles In The Air Quotes by John Vanbrugh, Edward Bulwer-Lytton, 1st Baron Lytton, Friedrich Schiller, Edward Gibbon, Thomas Traherne, Johann Gottfried Herder and many others.

You may build castles in the air, and fume, and fret, and grow thin and lean, and pale and ugly, if you please. But I tell you, no man worth having is true to his wife, or can be true to his wife, or ever was, or will be so.
Leave glory to great folks. Ah, castles in the air cost a vast deal to keep up!
Ever building, building to the clouds, still building higher, and never reflecting that the poor narrow basis cannot sustain the giddy tottering column.
There is more pleasure to building castles in the air than on the ground.
Your enjoyment of the world is never right, till every morning you awake in Heaven: see yourself in your Father’s palace; and look upon the skies, the earth, and the air as celestial joys: having such a reverend esteem of all, as if you were among the angels.
Thus we build on the ice, thus we write on the waves of the sea; the waves roaring pass away, the ice melts, and away goes our palace, like our thoughts.
A sigh can shatter a castle in the air.
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.
A neurotic is a 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.
Castles in the air – they are so easy to take refuge in. And so easy to build too.
To know your ruling passion, examine your castles in the air.