Kotowaza 
- RA
Japanese: RAKU HA KU NO TANE KU HA RAKU NO TANE
(The seed of pleasure is pain; the seed of pain is pleasure.)

English: No pain, no gain.

- RI
Japanese: RIOU TE NI HANA
(A flower in each hand.)

English: Have one's bread buttered on both sides.

- RU
RUI HA TOMO WO YOBU
Japanese/English: Like attracts like.

- RE
REIGAI NO NAI KISOKU HA NAI
Japanese/English: There's an exception to every rule.

- RO
Japanese: RON YORI SHOUKO
(Evidence instead of discourse.)

English: The proof of the pudding is in the eating.

 --All Proverbs Translated by Andrew Becraft
   (Pan-Pacific Bricks)