Mandarin Chinese Proverbs

Front 1

天下無不散之筵席

Back 1

There is no never ending banquet under the sun.

Hint 1

All good things must come to an end.
or
The best of friends must part.

Front 2

五十步笑百步

Back 2

The (soldier who retreated ) 50 paces jeered at the one who (retreated) 100 paces.

Hint 2

The pot calls the kettle black.

Front 3

當局者迷

Back 3

The participant's perspective are clouded while the bystanders' views are clear.

Hint 3

There are two parts to this proverb. I will put together two English phrases to make the figurative translation.
You can't see the forest for the trees, but onlookers see the whole game.

Front 4

塞翁失馬

Back 4

The squire at the frontier lost his horse. (The horse eventually came back bringing some other horses with it.)

This expression has its origin in a Chinese fable. See e.g. (From the Chinavista website)
Chinese Fable#6 ;Blessing or Bane

Hint 4

Certain bad luck is actually "a blessing in disguise."

Front 5

各花入各眼

Back 5

Different flowers look good to
different people

Hint 5

Beauty is in the eye of the beholder.