Kokoro, by Natsume Soseki (paragraph #188)

今迄書物で城壁をきづいて其中に立て籠つてゐたやうなKの心が、段々打ち解けて來るのを見てゐるのは、私に取つて何よりも愉快でした。私は最初からさうした目的で事を遣り出したのですから、自分の成功に伴ふ喜悦を感ぜずにはゐられなかつたのです。私は本人に云はない代りに、奥さんと御孃さんに自分の思つた通りを話しました。二人も滿足の樣子でした。

translation

It was the most enjoyable thing for me to see K's heart, which until now had been holed up inside the castle walls through books, gradually opening up. Since I had set out with this aim in mind from the beginning, I could not help but feel the joy that accompanies my success. Instead of saying anything to him, I told Okusan and her daughter exactly what I thought. They were both happy.

kanji (pronunciations & definitions)
今迄: until now (いままで), so far, up to the present 書物: book (しょもつ), volume 書物: book (しょもつ), volume 城壁: castle wall (じょうへき), town walls, defensive wall, rampart
: K (ケイ), K (ケー), k, k, kilo- : mind (こころ), heart, spirit, the meaning of a phrase (riddle, etc.), heart (しん) 段々: notches (ぎざぎざ), notches (ギザギザ), serration, serration, indentation : dozen (ダース), hitting a ball (with a bat, golf club, etc.) (だ), batting, stroke
: looking (み), viewing, (please) try (to), view (of life, etc.) (けん), outlook : I (わたし), me, I (あたくし), I (あたし), I (アタシ) : taking (とり), taker, collecting, collector, remover : what (なに), what (ナニ), you-know-what, you-know-what, that thing
最初: beginning (さいしょ), outset, first, onset 目的: purpose (もくてき), goal, aim, objective, intention : thing (こと), thing (こん), matter, matter, incident : coming out (で), going out, outflow, efflux, rising (of the Sun or the Moon)
成功: success (せいこう), achievement, succeeding (in life), (worldly) success, prosperity : companion (とも), follower, attendant, retinue 喜悦: joy (きえつ) : feeling (かん), sensation, emotion, admiration, impression
: substitution (しろ), material, price, margin (e.g. for stapling, etc.), area required for something : inner part (おく), interior, back (of a drawer, one’s throat, etc.), depths (e.g. of a forest), recesses (e.g. of a cave) : authority (つう), expert, connoisseur, well-informed person, counter for messages, letters, notes, documents, etc. : talk (はなし), speech, chat, conversation, topic
滿足: satisfaction (まんぞく), contentment, gratification, sufficient, satisfactory

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