thread of thought

food for thought

Information or knowledge that is worthy of contemplation.

hang by a thread

To be in danger, calling for precise caution; to be in a precarious situation.

hold that thought

To pause in a conversation for an interruption.

park that thought

Alternative form of hold that thought.

shower thought

An idea, often some minor epiphany, that occurs while showering or otherwise going about one’s everyday routine.

thought bubble

An ill-conceived idea.

thread the needle

To perform a tedious task with extreme precision; to manage to find harmony or strike a balance between conflicting forces, interests, etc.