I am not apt to follow blindly the lead of other men.
The love for all living creatures is the most noble attribute of man.
Nothing exists for itself alone, but only in relation to other forms of life
The highest possible stage in moral culture is when we recognise that we ought to control our thoughts.
It’s not the strongest of the species that survive, nor the most intelligent, but those most responsive to change.
The difference in mind between man and the higher animals, great as it is, certainly is one of degree and not of kind.
Man & AnimalsMan & Animals
There is no fundamental difference between man and the lower animals in their mental faculties... The lower animals, like man, manifestly feel pleasure and pain, happiness, and misery.