We are speaking on this occasion, not as members of this or that nation, continent, or creed, but as human beings, members of the species Man, whose … - Bertrand Russell

An extra-terrestrial philosopher, who had watched a single youth up to the age of twenty-one and had never come across any other human being, might conclude that it is the nature of human beings to grow continually taller and wiser in an indefinite progress towards perfection; and this generalisation would be just as well founded as the generalisation which evolutionists base upon the previous history of this planet.

Why is propaganda so much more successful when it stirs up hatred than when it tries to stir up friendly feeling? The reason is clearly that the human heart as modern civilisation has made it is more prone to hatred than to friendship. And it is prone to hatred because it is dissatisfied, because it feels deply, perhaps even unconsciously, that it has somehow missed the meaning of life, that perhaps others, but not we ourselves, have secured the good things which nature offers man's enjoyment.

A drop of water is not immortal; it can be resolved into oxygen and hydrogen. If, therefore, a drop of water were to maintain that it had a quality of aqueousness which would survive its dissolution we should be inclined to be skeptical. In like manner we know that the brain is not immortal...