This Is One Of Man's Oldest Riddles.

Thus, The Photons Which Constitute A Ray Of Light Behave Like Intelligent Human Beings: Out Of All Possible Curves They Always Select The One Which Will Take Them Most Quickly To Their Goal.

There Is No Matter As Such—mind Is The Matrix Of All Matter.

There Is A Real World Independent Of Our Senses; The Laws Of Nature Were Not Invented By Man, But Forced On Him By The Natural World. They Are The Expression Of A Natural World Order.

The Whole Strenuous Intellectual Work Of An Industrious Research Worker Would Appear, After All, In Vain And Hopeless, If He Were Not Occasionally Through Some Striking Facts To Find That He Had, At The End Of All His Criss-cross Journeys, At Last Accomplished At Least One Step Which Was Conclusively Nearer The Truth.

The Entire World We Apprehend Through Our Senses Is No More Than A Tiny Fragment In The Vastness Of Nature.