Forget the damned motor car and build the cities for lovers and friends.
Nothing is unthinkable, nothing impossible to the balanced person, provided it comes out of the needs of life and is dedicated to life's further development.
Life is the only art that we are required to practice without preparation, and without being allowed the preliminary trials, the failures and botches, that are essential for training.
A certain amount of opposition is a great help to a man. Kites rise against, not with, the wind.
It has not been for nothing that the word has remained man's principal toy and tool: without the meanings and values it sustains, all man's other tools would be worthless.
However far modern science and techniques have fallen short of their inherent possibilities, they have taught mankind at least one lesson; nothing is impossible.
Every new baby is a blind desperate vote for survival: people who find themselves unable to register an effective political protest against extermination do so by a biological act.
Every generation revolts against its fathers and makes friends with its grandfathers.
Don't take the will for the deed; get the deed.
One of the functions of intelligence is to take account of the dangers that come from trusting solely to the intelligence.
A day spent without the sight or sound of beauty, the contemplation of mystery, or the search of truth or perfection is a poverty-stricken day; and a succession of such days is fatal to human life.
The vast material displacements the machine has made in our physical environment are perhaps in the long run less important than its spiritual contributions to our culture.
A man of courage never needs weapons, but he may need bail.
Restore human legs as a means of travel. Pedestrians rely on food for fuel and need no special parking facilities.
The artist does not illustrate science (but) he frequently responds to the same interests that a scientist does.