The desire for legitimate offspring is, in fact, according to the Catholic Church, the only motive which can justify sexual intercourse.

The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt. Even those of the intelligent who believe that they have a nostrum are too individualistic to combine with other intelligent men from whom they differ on minor points.

There is an artist imprisoned in each one of us. Let him loose to spread joy everywhere.

Among the Tibetans, one wife has many husbands, because men are too poor to support a whole wife.

All the conditions of happiness are realized in the life of the man of science.

The three main extra-rational activities in modern life are religion, war, and love. all these are extra-rational, but love is not anti-rational, that is to say, a reasonable man may reasonably rejoice in its existence

The wise man thinks about his troubles only when there is some purpose in doing so; at other times he thinks about other things, or, if it is night, about nothing at all.