For books [Charles Darwin] had no respect, but merely considered them as tools to be worked with. ... he would cut a heavy book in half, to make it m….

The love of experiment was very strong in him [Charles Darwin], and I can remember the way he would say, "I shan't be easy till I have tried it," as ….

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 neve….

But in science the credit goes to the man who convinces the world, not to the man to whom the idea first occurs. Not the man who finds a grain of new….

In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs..