Things which matter most must never be at the mercy of things which matter least.

A creation of importance can only be produced when its author isolates himself, it is a child of solitude.

The formation of one's character ought to be everyone's chief aim.

It is in human nature to relax, when not compelled by personal advantage or disadvantage.

The older we get the more we must limit ourselves if we wish to be active.

Traveling is like gambling: it is always connected with winning and losing, and generally where it is least expected we receive, more or less than what we hoped for.