Possible Clues:

• Keep coming round, Doctor; it's only one foot from the sea
• Accumulated learning and experience
• Accumulated experience and learning
• Toothy comedian?
• Prudence - insight
• ` `Experience is the father of ......' '
• Common sense as part of know-how is dominant
• Prudence - or Norman?
• Accumulated experience and mature judgement
• This tooth usually comes late