He has been interested in I Ching studies since childhood.
Tips
usage
Two readings: lowercase yìxué = 'easy to learn' (everyday adjective). Capitalized Yìxué = the scholarly study of 易经 (Yìjīng, the Book of Changes). Context disambiguates.
memory
易 (yì) means 'easy' and also names the I Ching (易经). 学 (xué) is 'study/learn'. So 易学 literally reads as 'easy-learn' or 'I-Ching-study' depending on context.