In general people experience their present naively, as it were, without being able to form an estimate of its contents; they have first to put themselves at a distance from it - the present, that is to say, must have become the past - before it can yield points of vantage from which to judge the future.

Love is a state of temporary psychosis.

The conscious mind may be compared to a fountain playing in the sun and falling back into the great subterranean pool of subconscious from which it rises.

Love and work, work and love...that's all there is.

A man who has been the indisputable favorite of his mother keeps for life the feeling of a conqueror.

Indeed, the great Leonardo (da Vinci) remained like a child for the whole of his life in more than one way. It is said that all great men are bound to retain some infantile part. Even as an adult he continued to play, and this was another reason why he often appeared uncanny and incomprehensible to his contemporaries.

Tobacco is the only excuse for Columbus's misadventure in discovering America.