The legacy of Greece to Western philosophy is Western philosophy.

[Man] ... his origin, his growth, his hopes and fears, his loves and his beliefs are but the outcome of accidental collocations of atoms; that no fire, no heroism, no intensity of thought and feeling can preserve an individual life beyond the grave; that all the labour of the ages, all the devotion, all the inspiration, all the noonday brightness of human genius are destined to extinction in the vast death of the solar system, and that the whole temple of Man's achievement must inevitably be buried beneath the debris of a universe in ruins.

Man needs, for his happiness, not only the enjoyment of this or that, but hope and enterprise and change.

Well, there are many religions, but I suppose they all worship the same God.

But if thought is to become the possession of many, not the privilege of the few, we must have done with fear. It is fear that holds men back - fear lest their cherished beliefs should prove delusions, fear lest the institutions by which they live should prove harmful, fear lest they themselves should prove less worthy of respect than they have supposed themselves to be.

For over two thousand years it has been the custom among earnest moralists to decry happiness as something degraded and unworthy

No nation was ever so virtuous as each believes itself, and none was ever so wicked as each believes the other.