John Bartlett (1820–1905). Familiar Quotations, 10th ed. 1919.
9662 Friedrih Wilhelm Nietzshe 1844-1900 John Bartlett
| NUMBER: | 9662 |
| AUTHOR: | Friedrich Wilhelm Nietzsche (1844–1900) |
| QUOTATION: | In the mountains of truth, you never climb in vain. Either you already reach a higher point today, or you exercise your strength in order to be able to climb higher tomorrow. |
| ATTRIBUTION: | Maxims. |