At all times and in all fields the explanation by fire is a rich explanation.

We comfort ourselves by reliving memories of protection. Something closed must retain our memories, while leaving them their original value as images. Memories of the outside world will never have the same tonality as those of home and, by recalling these memories, we add to our store of dreams; we are never real historians, but always near poets, and our emotion is perhaps nothing but an expression of a poetry that was lost.

Childhood lasts all through life. It returns to animate broad sections of adult life... Poets will help us to find this living childhood within us, this permanent, durable immobile world.

The great function of poetry is to give back to us the situations of our dreams.

Love is never finished expressing itself, and it expresses itself better the more poetically it is dreamed.

Any work of science, no matter what its point of departure, cannot become fully convincing until it crosses the boundary between the theoretical and the experimental: Experimentation must give way to argument, and argument must have recourse to experimentation.

Air is the very substance of our freedom, the substance of superhuman joy.... aerial joy is freedom.