咏春心得大明
Calligraphy phrase composed by Y. Wu.
Calligraphy by Xiao Mei (pictured below)

Read the phrase 咏春心得大明 out loud in Cantonese as recommended below.
How to Read (1)
First read 咏春
pause
Then read 心得
pause
Finally read 大明
Interpretation (1)
The insights (心得) that created Wing Chun (咏春) came together in the Ming Dynasty (大明)
How to Read (2)
First read 咏春
pause
Then read 心得
pause
Finally read 大明
Interpretation (2)
Once you have insights (心得) into Wing Chun (咏春) you will experience a great understanding (大明)
How to Read (3)
First read 咏春 心得
pause
Then read 大明
Interpretation (3)
Joel Lee (大明) has insights (i.e. mastery) (心得) in the art of Wing Chun (咏春)