Difficult Quote by Edmond Halley

One might be led to question whether the scientists acted wisely in presenting the statesmen of the world with this appalling problem. Actually there…

— Enrico Fermi

If we do not learn to eliminate waste and to be more productive and more efficient in the ways we use energy, then we…

— Jimmy Carter

If we could convert 0.03 percent of the sunlight that falls on the earth into energy, we could meet all of our projected needs for 2030.

— Ray Kurzweil

What is possible in the Cavendish Laboratory may not be too difficult in the sun.

— Arthur Eddington

Wherever we look upon this earth, the opportunities take shape within the problems.

— Anonymous

A problem never exists in isolation; it is surrounded by other problems in space and time. The more of the context of a problem…

— Russell L. Ackoff

“Scholars whose conclusions are based on their reasoning, without recourse to experience, are unable to make definite statements about the makeup of this world.…

— Otto Von Guericke

“The sun has risen billions of times and set billions of times! In the eyes of humankind, this consistency has earned the sun tremendous…

— Mehmet Murat ildan

There are some problems on this planet that seem to be intractable.

— Richard Gere

Many, and some of the most pressing, of our terrestrial problems can be solved only by going into space. Long before it was a…

— Arthur C. Clarke

Any difficulties which the world faces today will be as nothing compared to the full effects which global warming will have on the world-wide…

— Prince Charles

It would be easier for the world to survive without the sun than to do so without the Holy Mass.

— Pio of Pietrelcina