Instinct of love toward an object demands a mastery to obtain it, and if a person feels they can't control the object or feel threatened by it, they … - Sigmund Freud

We believe that it is possible for scientific work to gain some knowledge about the reality of the world, by means of which we can increase out power and in accordance with which we can arrange our life. If this belief is an illusion, then we are in the same position as you. But science has given us evidence by its numerous and important successes that it is no illusion.

With words one man can make another blessed, or drive him to despair; by words the teacher transfers his knowledge to the pupil; by words the speaker sweeps his audience with him and determines its judgments and decisions. Words call forth effects and are the universal means of influencing human beings.

Words have a magical power. They can bring either the greatest happiness or deepest despair; they can transfer knowledge from teacher to student; words enable the orator to sway his audience and dictate its decisions. Words are capable of arousing the strongest emotions and prompting all men's actions.