This unusual and highly successful species spends a great deal of time examining his higher motives and an equal amount of time ignoring his fundamental ones.
Sentiment: NEGATIVE
Fortunately, nature is as generous with its problems as Nobel with his fortune. The more we know, the more aware we are of what we know not.
Probably we never fully credit the interdependence of wild creatures, and their cognizance of the affairs of their own kind.
Animals need to understand other species, if only to prey on them or escape from them.
The main peculiarity which distinguishes man from other animals is the means of his support-the power which he possesses of very greatly increasing these means.
He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.
There seems to be one quality of mind which seems to be of special and extreme advantage in leading him to make discoveries. It was the power of never letting exceptions go unnoticed.
He who is unconscious of the ties which connect him with every individual of his species feels no obligation to make sacrifices for their welfare or happiness.
The one excellent thing that can be learned from a lion is that whatever a man intends doing should be done by him with a whole-hearted and strenuous effort.
Darwin investigated the numerous facts obtained by naturalists in living nature and analysed them through the prism of practical experience.
Creatures whose mainspring is curiosity enjoy the accumulating of facts far more than the pausing at times to reflect on those facts.