Every form of addiction is bad, no matter whether the narcotic be alcohol or morphine or idealism.
He who would travel happily must travel light.
All men are by nature equal, made all of the same earth by one Workman; and however we deceive ourselves, as dear unto God is the poor peasant as the mighty prince.
Courage is knowing what not to fear.
When men speak ill of thee, live so as nobody may believe them.
Honesty is for the most part, less profitable than dishonesty.
Own only what you can carry with you; know language, know countries, know people. Let your memory be your travel bag.
Nature does nothing uselessly.