The chief cause of failure and unhappiness is trading what we want most for what we want in the moment

Man can only endure a certain degree of unhappiness; what is beyond that either annihilates him or passes by him and leaves him apathetic

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.