There are three classes of people: those who see, those who see when they are shown, those who do not see.
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.
As a well-spent day brings happy sleep, so a life well spent brings happy death.
Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her inventions nothing is lacking, and nothing is superfluous.
I love those who can smile in trouble, who can gather strength from distress, and grow brave by reflection. 'Tis the business of little minds to shrink, but they whose heart is firm, and whose conscience approves their conduct, will pursue their principles unto death.
