The only shame in masturbation is the shame of not doing it well.

Cigars served me for precisely fifty years as protection and a weapon in the combat of life... I owe to the cigar a great intensification of my capacity to work and a facilitation of my self-control.

If there are quarrels between the parents or if their marriage is unhappy, the ground will be prepared in their children for the severest predisposition to a disturbance of sexual development or to neurotic illness.

One... gets an impression that civilization is something which was imposed on a resisting majority by a minority which understood how to obtain possession of the means to power and coercion. It is, of course, natural to assume that these difficulties are not inherent in the nature of civilization itself but are determined by the imperfections of the cultural forms which have so far been developed.

We believe that civilization has been created under the pressure of the exigencies of life at the cost of satisfaction of the instincts.

Humor is a means of obtaining pleasure in spite of the distressing effects that interface with it.

It is always possible to bind together a considerable number of people in love, so long as there are other people left over to receive the manifestations of their aggressiveness.