To climb steep hills requires a slow pace at first was said by ?

Keep practicing — related questions

• The inspirational line: "I walk slowly, but I never walk backward." Given by?
• "I might walk slow but I never walk backwards"
• A person climbing a hill finds it easy if he
• Two roads diverged in a wood, and I... I took the one less traveled by, and that has made all the difference.
• Faith is taking the first step, even when you don't see the whole staircase.
• Never discourage anyone...who continually makes progress, no matter how slow.
• "Talk low, talk slow, and don't say too much."
• Around the World in Eighty Days