Final answer:
The opposite of 'ignorance' in the provided context is knowledge or awareness, as it refers to an informed understanding, which is crucial for making strategic decisions and preventing setbacks.
Step-by-step explanation:
The opposite of 'ignorance' in the given context would be knowledge or awareness. Ignorance refers to a lack of knowledge, education, or awareness, while the opposite is to be informed and cognizant of the facts or truths at hand. In the excerpts given, the use of the term 'ignorance' suggests a scenario where lack of understanding can lead to failure or setbacks.
Foreknowledge and insight into situations are highly valued and can provide a strategic advantage, as indicated by the reference that not having this insight is 'the height of inhumanity' and that the 'wise sovereign' strikes and conquers through foreknowledge. Furthermore, the importance of diligence, respect, honesty, and the pursuit of truth is underscored through quotes that reflect the significance of possessing knowledge and acting upon it meaningfully.