It is intelligent to ask two questions: (1) Is it possible? (2) Can I do it?. But it is unintelligent to ask these questions: (1) Is it real? (2) Has my neighbor done it?
It is intelligent to ask two questions: (1) Is it possible? (2) Can I do it?. But it is unintelligent to ask these questions: (1) Is it real? (2) Has my neighbor done it?