The first requisite of a good citizen in this republic of ours is that he shall be able and willing to pull his weight; that he shall not be a mere passenger, but shall do his share in the work that each generation of us finds ready to hand; and, furthermore, that in doing his work he shall show, not only the capacity for sturdy self-help, but also self-respecting regard for the rights of others.
Theodore Roosevelt (1858-1919) American politician, statesman, conservationist, writer, US President (1901-1909)
Speech (1902-11-11), State Chamber of Commerce Banquet, New York City
(Source)
This first part of this passage was quoted by Ronald Reagan at a fundraising dinner for Sen. Mack Mattingly in Atlanta (1985-06-05), discussing reform measures to close up tax loopholes.