The love for all living creatures is the most noble attribute of man.
I believe there is only one race - the human race.
My first wish is to see this plague of mankind, war, banished from the earth.
You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement and, at the same time, share a general responsibility for all humanity.
Dogs never bite me. Just humans.
Kindness is the language which the deaf can hear and the blind can see.
I love not Man the less, but Nature more.
The feeling of commiseration is the beginning of humanity; the feeling of shame is the beginning of righteousness.
We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.
The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.
For small creatures such as we the vastness is bearable only through love.
One could not be a successful scientist without realizing that, in contrast to the popular conception supported by newspapers and mothers of scientists, a goodly number of scientists are not only narrow-minded and dull, but also just stupid.
Scientists don't like to think of HeLa cells as being little bits of Henrietta because it's much easier to do science when you dissociate your materials from the people they come from.
Though it might be nice to imagine there once was a time when man lived in harmony with nature, it's not clear that he ever really did.
If you want to think about why humans are so dangerous to other species, you can picture a posse of small-brained but big-handed hominians arriving on some new shore.
Love and compassion are necessities, not luxuries. Without them, humanity cannot survive.