"The greatest deception men suffer is from their own opinions." ― Leonardo da Vinci Topic(s): Intelligence Tags: deception, greatest, suffer More From Leonardo da Vinci "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." "A well-spent day brings happy sleep." "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." More In Intelligence "There is no such thing as an underestimate of average intelligence."― Henry Adams "For passion, be it observed, brings insight with it; it can give a sort of intelligence to simpletons, fools, and idiots, especially during youth."― Honore de Balzac "I believe that reforming our intelligence community is one of the most important things that we can do in order to ensure that our country is in fact safer, stronger and wiser."― Richard Shelby