1. Youth comes but once in a lifetime. Henry Wadsworth Longfellow 

2. 3 If you would hit the mark, you must aim a little above it. Every arrow that flies feels the attraction of earth. ——Henry Wadsworth Longfellow.

3. If we could read the secret history of our enemies we should find in each man's life sorrow and suffering enough to disarm all hostility. Henry Wadsworth Longfellow 

4. The heights by great men reached and kept were not attained in sudden flight but, they while their companions slept, they were toiling upwards in the night. Henry Wadsworth Longfellow