Those who have never entered upon scientific pursuits know not a tithe of the poetry by which they are surrounded. – Herbert Spencer
In science the important thing is to modify and change ones ideas as science advances. – Herbert Spencer

Those who have never entered upon scientific pursuits know not a tithe of the poetry by which they are surrounded. – Herbert Spencer
In science the important thing is to modify and change ones ideas as science advances. – Herbert Spencer
The wise man must remember that while he is a descendant of the past, he is a parent of the future. – Herbert Spencer
The behavior of men to the lower animals, and their behavior to each other, bear a constant relationship. – Herbert Spencer