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The higher our self-esteem, the stronger the drive to express ourselves, reflecting the sense of richness within. The lower our self-esteem, the more urgent the need to "prove" ourselves or to forget ourselves by living mechanically and unconsciously.

Nathaniel Branden (1998). “A Woman's Self-Esteem: Struggles and Triumphs in the Search for Identity”, Jossey-Bass
The higher our self-esteem, the stronger the drive to express ourselves, reflecting the sense of richness within. The lower our self-esteem, the more urgent the need to prove ourselves or to forget ourselves by living