“Misfortune shows those who are not really friends.”

“Poetry is finer and more philosophical than history; for poetry expresses the universal, and history only the particular.”

“The greatest thing by far is to have a command of metaphor. This alone cannot be imparted by another; it is the mark of genius, for to make good metaphors implies an eye for resemblances.”

“A friend is one soul abiding in two bodies.”

“The least initial deviation from the truth is multiplied later a thousandfold.”

“For the things we have to learn before we can do, we learn by doing.”

“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.”