Direct Quote by August Macke

I belong to those theoreticians who know by direct observation what it means to make a measurement. Methinks it were better if there were…

— Erwin Schrodinger

Our observation of nature must be diligent, our reflection profound, and our experiments exact. We rarely see these three means combined; and for this…

— Denis Diderot

Direct observation of the luminous essence of nature is for me indispensable

— Robert Delaunay

“Let your ideas be second-hand, and if possible tenth-hand, for then they will be far removed from that disturbing element- direct observation.”

— Henry James

You have to understand the nature of light.

— Conrad Hall

“Turn to nature to pardon some of the difficulty you have to bear. Nature has more light than anything else on your planet.”

— Annie Kagan

When you experience the light, voila, you're happy. The very nature of the light is happiness. You don't have to do anything or be…

— Frederick Lenz

The nature of light is a subject of no material importance to the concerns of life or to the practice of the arts, but…

— Thomas Young

I have two children and it's amazing how in tune they are with nature, with light, with smells, with time.

— Hugh Jackman

A heightened sense of the observation of nature is one of the chief delights that have come to me through trying to paint.

— Winston Churchill

The observation of nature is part of an artist's life.

— Henry Moore

The manner in which things exist and take place, constitutes what is called the nature of things; and a careful observation of the nature…

— Jean-Baptiste Say