We have three baskets for investing: yes, no, and too tough to understand.
读经书,阅传注,就为治学打下坚实基础;看史籍,鉴古今,就使宏论滔滔切中肯綮;游山川,观壮景,就使志气凌云眼界开阔;戒嗜好,弃私欲,就使胸怀磊落一尘不染。