expression
no pain, no gain; one cannot have pleasure without pain
Proverb meaning that hardship or suffering is the seed of future happiness or ease. Often paired with its counterpart 楽は苦の種.
See also: 楽は苦の種、苦は楽の種
苦は楽の種というように、今の努力が将来の成功につながる。
As the saying goes, 'no pain, no gain'; your efforts now will lead to future success.
A traditional Japanese proverb composed of the kanji 苦 (suffering), 楽 (pleasure), and 種 (seed). The exact origin is uncertain, but it reflects a common East Asian philosophical view of hardship as a precursor to happiness.