"Those subjects have the greatest educational value, which are richest in incentives to the noblest self-activity."

“Work, mental or manual, is the means whereby attention is compelled, it is the instrument of all knowledge and virtue, the root whence all excellence springs.”

“If thou canst not hold the golden mean, say and do too little rather than too much.”

“The best money can procure for thee is freedom to live in thy true self. It is more apt however to enslave than to liberate. It is good also when thou makest it a means to help thy fellow men; but here too it is easier to harm than to benefit: for the money thou givest another is useful to him only when it stimulates him to self-activity.”

“When one sense has been bribed the others readily bear false witness.”

“Thy money, thy office, thy reputation are nothing; put away these phantom clothings, and stand like an athlete stripped for the battle.”

“It is a large part of learning to know what one wants, and where it may be found in its most authentic form.”