#barrier

The barriers to women's advancement are often invisible, but they are real.

From The Fix: Overcome the Invisible Barriers That Are Holding Women Back at Work by Michelle P. King

Women face invisible barriers that hinder their progress in the workplace.

From The Fix: Overcome the Invisible Barriers That Are Holding Women Back at Work by Michelle P. King

Faith can be a barrier to understanding.

From The Religious Case Against Belief by James P. Carse

Every time you push through a barrier, you expand your limits.

From Endure: Mind, Body, and the Curiously Elastic Limits of Human Performance by Alex Hutchinson

The doors of the room were too narrow.

From The Metamorphosis by Franz Kafka

Fear is the main barrier to accessing flow, and overcoming it is essential for peak performance.

From The Rise of Superman: Decoding the Science of Ultimate Human Performance by Steven Kotler