Finally, the type of exercise you do is the last part of the F.I.T.T. principle and an easy one to manipulate to avoid overuse injuries or weight loss plateaus. For cardio exercise: Cardio is easy to change, since any activity that gets your heart rate up counts.
First published in 1959, this pair of meditations by the revered civil-rights leader Martin Luther King, Jr. contains the theological roots of his political and social philosophy of nonviolent activism. Eloquent and passionate, reasoned and sensitive.
By the time Frost returned to the United States in 1915, he had published two full-length collections, A Boy's Will (Henry Holt and Company, 1913) and North of Boston (Henry Holt and Company, 1914), and his reputation was established.