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.

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

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

As long as a man stands in his own way, everything seems to be in his way.

As long as a man stands in his own way, everything seems to be in his way.

Defeat may test you; it need not stop you. If at first you don't succeed, try another way. For every read more

Defeat may test you; it need not stop you. If at first you don't succeed, try another way. For every obstacle there is a solution. Nothing in the world can take the place of persistence. The greatest mistake is giving up.

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.

An obstacle is often an unrecognized opportunity

An obstacle is often an unrecognized opportunity

When you get right down to the root of the meaning of the word "succeed," you find that it simply read more

When you get right down to the root of the meaning of the word "succeed," you find that it simply means to follow through.

Obstacles are like wild animals. They are cowards but they will bluff you if they can. If they see you read more

Obstacles are like wild animals. They are cowards but they will bluff you if they can. If they see you are afraid of them... they are liable to spring upon you; but if you look them squarely in the eye, they will slink out of sight.

Formulate and stamp indelibly on your mind a mental picture of yourself as succeeding. Hold this picture tenaciously. Never permit read more

Formulate and stamp indelibly on your mind a mental picture of yourself as succeeding. Hold this picture tenaciously. Never permit it to fade. Your mind will seek to develop the picture... Do not build up obstacles in your imagination.