External nature is only internal nature writ large.
Fashion changes, but style endures.
What is necessary to change a person is to change his awareness of himself.
No one can make you feel inferior without your consent.
Reputation is what men and women think of us; character is what God and angels know of us.
If from Society we learn to live Tis Solitude should teach us how to die; It hath no flatterers.
Forewarned, forearmed. To be prepared is half the victory.
I must uphold my ideals, for perhaps the time will come when I shall be able to carry them out.
There is nothing like returning to a place that remains unchanged to find the ways in which you yourself have altered.
If we all worked on the assumption that what is accepted as true is really true, there would be little hope of advance.
In just six weeks from the time the design was started, we had the motor on the block testing its power.
The day of individual happiness has passed
Delay always breeds danger. To protract a great design is often to ruin it.
You can have anything in this world you want, if you want it badly enough and you're willing to pay the price.
You sort of start thinking anything's possible if you've got enough nerve.
No matter how thin you slice it, there will always be two sides.
A scientific man ought to have no wishes, no affections, - a mere heart of stone.
Common sense is not so common.
I believe today that my conduct is in accordance with the will of the Almighty Creator
No flying machine will ever fly from New York to Paris.
I've had a perfectly wonderful evening, but this wasn't it.