Given the cause nature produces the effect in the briefest manner that it can employ.

Motion is created by the destruction of balance.

There shall be wings! If the accomplishment be not for me, 'tis for some other. The spirit cannot die; and man, who shall know all and shall have wings.

Knowledge ... shall always bear witness like a clarion to its creator.

For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and there you will long to return.

When the thing taken into union is perfectly adapted to that which receives it, the result is delight and pleasure and satisfaction.

It is an acknowledged fact that we perceive errors in the work of others more readily than in our own.