The errors of the observer come from the qualities of the human mind.
A phenomenon like Mozart remains an inexplicable thing.
I have found among my papers a sheet . . . in which I call architecture frozen music.
Properly speaking, such work is never finished; one must declare it so when, according to time and circumstances, one has done one's best.
Whoever gives himself up to solitude, Ah! he is soon alone.
Architecture is crystallized music.