If you do not expect the unexpected, you will not find it; for it is hard to be sought out, and difficult.

-Heraclitus   fl.500
Collected in Charles H Kahn The Art and Thought of Heraclitus (1979).

Hofstadter's Law: It alwaystakeslonger thanyouexpect, even when you take into account Hofstadter's Law.

-Hofstadter, Douglas R(ichard)
  Go«   del, Escher, Bach: An Eternal Golden Braid.

As I know more of mankind I expect less ofthem, and am ready now to call a man a good man, upon easier terms than I was formerly.

-Johnson, Samuel known as Dr Johnson
  Remark, Sep. Quoted in  James Boswell The Life of Samuel Johnson (1791), vol.4.

We took away their countryand their means of support, broke up their mode of living, their habits of life, introduced disease and decayamong them and it was for this and against this they made war.Could anyone expect less?

-Sheridan, Philip Henry
c.1870  Quoted inThomas C Leonard Above the Battle (1978).

Every segment of our population, and every individual, has a right to expect from his Government a Fair Deal.

-Truman, Harry S
  Speech to Congress, 6 Sep.