
1880s, Reminiscences (1881)
1880s, Reminiscences (1881)
The Dietetics of the Soul; Or, True Mental Discipline (1838)
Conclusion
The Renaissance http://www.authorama.com/renaissance-1.html (1873)
Harbours of Memory (1921), p. 236
Paraphrased variant: A man must let his ideas grow, not be continually rooting them up to see how they are getting on.