The limit of man s knowledge in any subject possesses a high interest which is perhaps increased by its close neighbourhood to the realms of imagination.
Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult, at least I have found it so – than constantly to bear this conclusion in mind.
The most powerful natural species are those that adapt to environmental change without losing their fundamental identity which gives them their competitive advantage.
Even when we are quite alone, how often do we think with pleasure or pain of what others think of us – of their imagined approbation or disapprobation.
