The achievement of one goal should be the starting point of another.

The most successful men in the end are those whose success is the result of steady accretion.

Great discoveries and improvements invariably involve the cooperation of many minds.

It is the man who carefully advances step by step...who is bound to succeed in the greatest degree.

When one door closes, another one opens.

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.

There are two critical points in every aerial flight-its beginning and its end.