“Men love to wonder, and that is the seed of our science.”

“All the great speakers were bad speakers at first.”

“You can never do a kindness too soon, for you never know how soon it will be too late.”

“The imitator dooms himself to hopeless mediocrity.”

“Give me health and a day, and I will make the pomp of emperors ridiculous.”

“What is a weed? A plant whose virtues have yet to be discovered.”

“Optimism is the faith that leads to achievement; nothing can be done without hope.”

“One can never consent to creep when one feels an impulse to soar.”

“When one door of happiness closes, another opens; but often we look so long at the closed door that we do not see the one which has been opened for us.”

“You may never know what results come of your actions. But if you do nothing, there will be no result.”

“What man actually needs is not a tensionless state but rather the striving and struggling for some goal worthy of him. What he needs is not the discharge of tension at any cost, but the call of a potential meaning waiting to be fulfilled by him.”

“The time is always right to do what's right.”