Theodore Roosevelt, 1858-1919
was a 26th president of US
The great virtue of my radicalism lies in the fact that I am perfectly ready, if necessary, to be radical on the conservative side.
Ambrose (Gwinnett) Bierce, 1842-1914
was an US author and satirist
RADICALISM, n. The conservatism of to-morrow injected into the affairs of to-day.
( “The Devil's Dictionary”, 1906 )