"Our doubts are traitors, and make us lose the good we oft might win, by fearing to attempt."
"As soon as error is corrected, it is important that the error be forgotten and only the successful attempts be remembered."
"I know of no better life purpose than to perish in attempting the great and the impossible."
"Only those who attempt the absurd can achieve the impossible."
"There is a stubbornness about me that never can bear to be frightened at the will of others. My courage always rises at every attempt to intimidate me."
"Wisdom is not a product of schooling but of the lifelong attempt to acquire it."
"The frequent attempt to conceal mental pain increases the burden: it is easier to say My tooth is aching than to say “My heart is broken."
"I can alter my life by altering my attitude. He who would have nothing to do with thorns must never attempt to gather flowers."