Adolescence is the period of the decisive last battle fought before maturity. The ego must achieve independence, the old emotional ties must be cast off, the new ones created.

The very fact that the youthful soul feels insecure strengthens its active aspiration to master its insecurity.

only a thin partition separates the psychically normal from the diseased.

All observations point to the fact that the intellectual woman is masculinized; in her, warm, intuitive knowledge has yielded to cold unproductive thinking.

[a] heavy sense of guilt [is] the most potent factor in the whole psychologic picture of motherliness.

that person is lonely who has no one for whom he or she is Number One.

All the best human impulses can be traced back to adolescence.