Action will remove the doubts that theory cannot solve.
Harmony would lose its attractiveness if it did not have a background of discord.
The key to success isn't much good until one discovers the right lock to insert it in.
Prudence is sometimes stretched too far, until it blocks the road of progress.
A road that does not lead to other roads always has to be retraced, unless the traveller chooses to rust at the end of it.
The West can teach the East how to get a living, but the East must eventually be asked to show the West how to live.