The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.
People should pursue what they're passionate about. That will make them happier than pretty much anything else.
And, when you want something, all the universe conspires in helping you to achieve it.
Alone we can do so little; together we can do so much.
When obstacles arise, you change your direction to reach your goal; you do not change your decision to get there.
Truth is like the sun. You can shut it out for a time, but it ain't goin' away.
The person who takes no chances generally has to take whatever is left when others are through choosing.
Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it.
Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.
Change will not come if we wait for some other person, or if we wait for some other time. We are the ones we've been waiting for. We are the change that we seek.
A man is but the product of his thoughts. What he thinks, he becomes.
Duty does not require any person to submit to the destruction of his personal ambitions and the right to live his own life in his own way.
Always do what you are afraid to do.
Imagination is everything. It is the preview of life's coming attractions.
If you don't know, the thing to do is not to get scared, but to learn.
If you enter this world knowing you are loved and you leave this world knowing the same, then everything that happens in between can be dealt with.
You can't build a reputation on what you are going to do.
Motivation is what gets you started. Habit is what keeps you going.
It is greed to do all the talking but not to want to listen at all.
I trust that everything happens for a reason, even if we are not wise enough to see it.
No great discovery was ever made without a bold guess.