Out of man's mind in free play comes the creation Science. It renews itself, like the generations, thanks to an activity which is the best game of homo ludens: science is in the strictest and best sense a glorious entertainment.

You never step in the same river of thought twice, because neither you nor it are the same.

Out of man's mind in free play comes the creation Science. It renews itself, like the generations, thanks to an activity which is the best game of homo ludens: science is in the strictest and best sense a glorious entertainment.

In teaching you cannot see the fruit of a day's work. It is invisible and remains so, maybe for twenty years.

The book, like the bicycle, is a perfect form.

One great aim of revision is to cut out. In the exuberance of composition it is natural to throw in - as one does in speaking - a number of small words that add nothing to meaning but keep up the flow and rhythm of thought. In writing, not only does this surplusage not add to meaning, it subtracts from it. Read and revise, reread and revise, keeping reading and revising until your text seems adequate to your thought.

It is only in the shadows, when some fresh wave, truly original, truly creative, breaks upon the shore, that there will be a rediscovery of the West.