Every student who enters upon a scientific pursuit, especially if at a somewhat advanced period of life, will find not only that he has much to learn, but much also to unlearn.


Outlines of Astronomy (1871), 11th edn.


Every student who enters upon a scientific pursuit, especially if at a somewhat advanced period of life, will find not only that he has much to...

Every student who enters upon a scientific pursuit, especially if at a somewhat advanced period of life, will find not only that he has much to...

Every student who enters upon a scientific pursuit, especially if at a somewhat advanced period of life, will find not only that he has much to...

Every student who enters upon a scientific pursuit, especially if at a somewhat advanced period of life, will find not only that he has much to...