I thought that I'd post this for comment, in case anybody's interested. It's a section from the Tiger chapter ("Tora no Maki") of the "Rikuto" ("Six Strategies", or "Six Scabbards", also called "Liutao" in Chinese, IIRC), which is a well known Chinese book of strategy. The reason why it's relevant to Aikido is that M. Ueshiba cited this passage as containing one of the central "secrets" of Aikido. This translation is my rough English version of the Japanese version of the Chinese text, so apologies in advance to the original authors
If it comes, then meet it, if it leaves, then send it away.
If it resists, than harmonize it.
5 and 5 are 10.
2 and 8 are 10.
1 and 9 are 10.
You should harmonize like this.
Intuit true and false, know what is hidden,
The large is everywhere, the small enters the realm of the microscopic.
There are chances for life and death, without reacting to changes.
Approach things without moving your heart (without being disturbed).