Sanity.
Bits of rolled-up rubber shed by the tires of race cars that accumulate at the edges of the track, especially at the corners.
Any of several children's games played with small balls (made of marble or more commonly glass).
A piece of wise advice.
A group of owls.
The ability to make a decision based on the combination of knowledge, experience, and intuitive understanding.
An element of personal character that enables one to distinguish the wise from the unwise.
The ability to know and apply spiritual truths.
The discretionary use of knowledge for the greatest good.
The ability to apply relevant knowledge in an insightful way, especially to different situations from that in which the knowledge was gained.
A group of wombats.