The best option usually isn't the first one I find.
Being stopped for directions three times qualifies you as passing for being French.
The French are beautiful people--externally and internally (as long as you greet them in French).
Left to my own devices, I quickly make a habitual travel route in a new city.
Traveling alone is mind-cleansing. Traveling with another is mind-expanding. Get your fair share of both.
When you find an English speaker in a predominantly non-English-speaking city, buy him/her a drink.
Difficult hikes lead to beautiful views.
All great nights in France end with cheese.
Those with wanderlust find heaven in friends that are travel guides (H/T, Caroline).
Society is cumulative and ever-evolving; don't ignore the wealth of knowledge in history's past steps of societal evolution.
Social policies are often band-aids on society that get applied after a historical occurrence as a means of preventing similar circumstances from occurring in the future.