There are two ways of being happy: We must either diminish our wants or augment our means—either may do—the result is the same and it is for each man to decide for himself and to do that which happens to be easier.Benjamin Franklin
- To remember the first and second lines of Mendeleev's periodic table, Japanese students learn these sentences:
- 1st line:SuiHei (lit: sailor)
- 2nd line: Liebe BoKuNo OFuNe (lit: lover, my ship)
- gives: Sui (ja. Water = Hydrogen), He : Helium; Li : Lithium; Be : Beryllium; B : Boron; K (= C) : Carbon; N : Nitrogen; O : Oxygen; F : Fluor; Ne : Neon.
- To remember the months with less than thirty one days (in Gregorian calendar)
- Nishimukusamurai (lit: a samurai facing the west)
- gives Ni : 2; shi : 4; mu : 6; ku : 9; samurai : 士 (kanji for samurai; considering as composition of two kanji, 十 (ten) and 一 (one))
- To give the year of 794
- nakuyo uguisu Heiankyō
- gives na : 7; ku : 9 : yo ; 4, thus 794, the year the capital Heiankyō (now Kyoto) was founded.
- To give the year of 1192
- iikuni tsukurou Kamakura Bakufu
- gives i : 1, ku ; 9 : ni ; 2, thus 1192, the year Kamakura shogunate was founded.