All faith consists essentially in the recognition of a world of spiritual values behind, yet not apart from, the world of natural phenomena.
Man will never be entirely willing to give up this world for the next nor the next world for this.
Love remembered and consecrated by grief belongs, more clearly than the happy intercourse of friends, to the eternal world; it has proved itself stronger than death.
If the universe is running down like a clock, the clock must have been wound up at a date which we could name if we knew it. The world, if it is to have an end in time, must have had a beginning in time.
The world belongs to those who think and act with it, who keep a finger on its pulse.
The command, 'Be fruitful and multiply', was promulgated, according to our authorities, when the population of the world consisted of two persons.