forbidden fruit is the sweetest

Etymology
A reference to the story in the Bible in which God tells Adam and Eve not to eat the forbidden fruit, but they are tempted and do so anyway.

Proverb

 * 1) Forbidden things seem more appealing; people desire things more if (or, in some way, because) they can't have them.

Translations

 * Arabian: كُلُّ مَمْنُوعٍ مَرْغُوب
 * Burmese: ခိုးစားတဲ့ သစ်သီးက ပိုချိုတယ်
 * Chinese:
 * Mandarin: 禁果分外甜
 * Czech: zakázané ovoce chutná nejlépe
 * Danish: forbuden frugt smager bedst
 * Finnish: kielletty hedelmä houkuttelee, kielletty hedelmä houkuttaa
 * French: le fruit défendu est celui qui a le meilleur goût
 * German: verbotene Früchte schmecken am besten, verbotene Früchte sind süß
 * Hungarian:
 * Italian: il frutto proibito è il più saporito
 * Japanese: 禁断の木の実が一番甘い
 * Polish: zakazany owoc smakuje najlepiej, owoc zakazany jest najsłodszy
 * Portuguese: tudo que é proibido é mais gostoso
 * Russian: запре́тный плод сла́док
 * Serbo-Croatian:
 * Cyrillic: забрањено во̀ће је најслађе во̀ће
 * Roman: zabranjeno vòće je najslađe vòće
 * Spanish: la fruta prohibida es la más dulce
 * Swedish: förbjuden frukt är ljuv