A man, as a general rule, owes very little to what he is born with — a man is what he makes of himself. - Alexander Graham Bell

You cannot force ideas. Successful ideas are the result of slow growth. Ideas do not reach perfection in a day, no matter how much study is put upon them.

Don't keep forever on the public road, going only where others have gone. Leave the beaten track occasionally and dive into the woods. You'll be certain to find something you have never seen before.

There cannot be mental atrophy in any person who continues to observe, to remember what he observes, and to seek answers for his unceasing hows and whys about things.