There is an electric fire in human nature tending to purify - so that among these human creatures there is continually some birth of new heroism. The pity is that we must wonder at it, as we should at finding a pearl in rubbish.

Science cannot solve the ultimate mystery of nature. And that is because, in the last analysis, we ourselves are a part of the mystery that we are trying to solve.

If you are of the opinion that the contemplation of suicide is sufficient evidence of a poetic nature, do not forget that actions speak louder than words.

Only the brave know how to forgive... a coward never forgave it is not in his nature.

The sky is the part of creation in which nature has done for the sake of pleasing man.

In the long term we can hope that religion will change the nature of man and reduce conflict. But history is not encouraging in this respect. The bloodiest wars in history have been religious wars.

We need a government, alas, because of the nature of humans.

There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimate laws of nature.

Studies perfect nature and are perfected still by experience.

Nature is by and large to be found out of doors, a location where, it cannot be argued, there are never enough comfortable chairs.