Charles Robert Darwin ( DAR-win; 12 February 1809 – 19 April 1882) was an English naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all species of life have descended from a common ancestor is now generally accepted and considered a fundamental concept in...
My mind has changed during the last twenty or thirty years. Now for many years I cannot endure to read a line of poetry. I have also almost lost my taste for pictures or music. My mind seems to have become a kind of machine for grinding general laws out of large collections of facts.
If I had to live my life again, I would have made a rule to read some poetry and listen to some music at least once every week. The loss of these tastes is a loss of happiness.
It has often and confidently been asserted, that man's origin can never be known: but ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
The ability to destroy your ideas rapidly instead of slowly when the occasion is right is one of the most valuable things. You have to work hard on it. Ask yourself what are the arguments on the other side. It’s bad to have an opinion you’re proud of if you can’t state the arguments for the other side better than your opponents. This is a great mental discipline.