No man should travel until he has learned the language of the country he visits, otherwise he voluntarily makes himself a great baby - so helpless and ridiculous.
As the Spanish proverb says, 'He who would bring home the wealth of the Indies, must carry the wealth of the Indies with him.' So it is with traveling. A man must carry knowledge with him if he would bring home knowledge.
The traveller's-eye view of men and women is not satisfying. A man might spend his life in trains and restaurants and know nothing of humanity at the end. To know, one must be an actor as well as a spectator.
Before he sets out, the traveller must possess fixed interests and facilities, to be served by travel. If he drifted aimlessly from country to country he would not travel but only wander, ramble as a tramp. The traveller must be somebody and come from somewhere so his definite character and moral traditions may supply an organ and a point of comparison for his observations.
If you are lucky enough to have lived in Paris as a young man, then wherever you go for the rest of your life, it stays with you, for Paris is a movable feast.