The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.
Daniel J. BoorstinYou are likely the greatest obstacle to achieving your own dreams.
Simple Reminders: Inspiration for Living Your Best LifeOne of the greatest obstacles to escaping poverty is the staggering cost of higher education.
Chris Van HollenThe greatest obstacle to human liberty is that the vast majority of people do not wish to be free.
Michel TempletI think isolation is one of the greatest problems, an ever-growing obstacle to political solidarity.
Elfriede JelinekIt's part of life to have obstacles. It's about overcoming obstacles; that's the key to happiness.
Herbie Hancock