Here, where we reach the sphere of mathematics, we are among processes which seem to some the most inhuman of all human activities and the most remote from poetry. Yet it is here that the artist has the fullest scope of his imagination.

Still, whether we like it or not, the task of speeding up the decrease of the human population becomes increasingly urgent.

The greatest task before civilization at present is to make machines what they ought to be, the slaves, instead of the masters of men.

A man must not swallow more beliefs than he can digest.

The average husband enjoys the total effect of his home but is usually unable to contribute any of the details of work and organisation that make it enjoyable.

In philosophy, it is not the attainment of the goal that matters, it is the things that are met with by the way

At the present day the crude theory of the sexual impulse held on one side, and the ignorant rejection of theory altogether on the other side, are beginning to be seen as both alike unjustified.