This tidbit comes from the passingbucks dot com website:

"People are kidding themselves.
They don't have the buying power they used to have.
A lot of the people living today don't know what the buying power of success was before we decided to use excessive income taxes to punish success and estate and gift taxes to force every generation to start from scratch.

Writer unknown, Why The Income Tax Is Bad, Interview with T. Coleman Andrews, Former Commissioner of Internal Revenue, US News and World Report, May 25, 1956."