"The universe is change; life is opinion."

"When you arise in the morning, think of what a precious privilege it is to be alive - to breathe, to think, to enjoy, to love."

"Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present."

"Never esteem anything as of advantage to you that will make you break your word or lose your self-respect."

"Do not disturb yourself by picturing your life as a whole; do not embrace in your imagination all the various troubles which are likely to befall you, but rather, at every accession of trouble, ask yo…"