The presidency has made every man who occupied it, no matter how small, bigger than he was; and no matter how big, not big enough for its demands.

Lyndon B. Johnson (1908–1973) American politician, educator, US President (1963–69)

Proclamation 3489, “Commemoration of the Beginnings of the Office of the Presidency of the United States” (1964-04-30)
    (Source)

On the 175th anniversary of George Washington taking the first oath of office as President.