On the mountains mistakes are fatal. In politics, mistakes are wounding emotionally, but you recover. Personally, wilderness helps me get back in touch with natural rhythms, helps me reflect and, in the process, restore my creativity. – Mark Udall
The relation of repetitions for learning and for repeating English stanzas needs no amplification. These were learned by heart on the first day with less than half of the repetitions necessary for the shortest of the syllable series. – Hermann Ebbinghaus