Keywords: mull over, think (mull over), thinking, philosophy

Found 1 variant for this sign (click on video to enlarge):

Sign Definition

As a Noun

1. Activity in the mind. English = thinking.
2. The study or creation of theories about basic things such as the nature of existence or how people should live; or a particular set of such ideas. English = philosophy.

As a Verb or Adjective

1. To think about something for a long time, often before deciding what to do. English = mull over.
2. To have ideas in the mind. English = think.
3. To study or create theories about basic things such as the nature of existence or how people should live. English = do philosophy, study philosophy.