An expert thinks he knows it all, but he's also rather inhibited by his experience, his knowledge, and he finds it difficult to steer off the well-known path. Whereas if you have a lack of experience, but huge curiosity, and you approach your new challenge with naivety, I think it's sort of easier for you as an inexperienced designer to come up with something different and to follow a different path.
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The universe is not hostile, nor yet is it friendly. It is simply indifferent. To that indifference man brings imagination — and that is the beginning of all we call civilization.
John Haynes Holmes — The Sensible Man's View of Religion
It is a great mistake to think that the motive which leads a man of science to his work is the desire for practical application. He is moved chiefly by curiosity, that most profound, most arrogant, and most invincible of all the passions.
Henri Poincaré — The Value of Science
The silly question is the first intimation of some totally new development. If someone had asked Newton why apples fell downward rather than sideward, Newton might have reflected on this sufficiently to arrive at the concept of universal gravitation.
Alfred North Whitehead — Dialogues of Alfred North Whitehead