The authority of those who teach is often an obstacle to those who want to learn.

The authority of those who teach is often an obstacle to those who want to learn.

Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change read more

Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.

Obstacles are things a person sees when he takes his eyes off his goal.

Obstacles are things a person sees when he takes his eyes off his goal.

Obstacles are those frightful things you see when you take your eyes off your goal.

Obstacles are those frightful things you see when you take your eyes off your goal.

Obstacles are necessary for success because in selling, as in all careers of importance, victory comes only after many struggles read more

Obstacles are necessary for success because in selling, as in all careers of importance, victory comes only after many struggles and countless defeats.

The harder the conflict, the more glorious the triumph. What we obtain too cheaply, we esteem too lightly; 'Tis dearness read more

The harder the conflict, the more glorious the triumph. What we obtain too cheaply, we esteem too lightly; 'Tis dearness only that gives everything its value.

Only the curious will learn and only the resolute overcome the obstacles to learning. The quest quotient has always excited read more

Only the curious will learn and only the resolute overcome the obstacles to learning. The quest quotient has always excited me more than the intelligence quotient.

The greatest obstacle to discovery is not ignorance -- it is the illusion of knowledge.

The greatest obstacle to discovery is not ignorance -- it is the illusion of knowledge.

The block of granite which was an obstacle in the pathway of the weak becomes a stepping-stone in the pathway read more

The block of granite which was an obstacle in the pathway of the weak becomes a stepping-stone in the pathway of the strong