Neither the Christian attitude of love for all mankind nor humane hopes for an organized society must cause us to forget that the 'human stratum' may not be homogeneous.
It doesn't matter if the water is cold or warm if you're going to have to wade through it anyway.
Man is unable to see himself entirely unrelated to mankind, neither is he able to see mankind unrelated to life, nor life unrelated to the universe.
To discover and know has always been a deep tendency of our nature. Can we not recognize it already in caveman?
One mustn't close one's eyes to difficulty and to shortcomings; the more one recognizes them, the less they upset one.
Religion, born of the earth's need for the disclosing of a god, is related to and co-extensive with not the individual man, but the whole of mankind.