In modern methods of logic, we reason from cause to effect, from the known to the unknown; but, in attempting to penetrate the region of the unknown, we are often left without a reliable guide.


Nature and Culture, Chapter 1 (p. 7), Lee & Shepard. 1875


In modern methods of logic, we reason from cause to effect, from the known to the unknown; but, in attempting to penetrate the region of the unknown, ...

In modern methods of logic, we reason from cause to effect, from the known to the unknown; but, in attempting to penetrate the region of the unknown, ...

In modern methods of logic, we reason from cause to effect, from the known to the unknown; but, in attempting to penetrate the region of the unknown, ...

In modern methods of logic, we reason from cause to effect, from the known to the unknown; but, in attempting to penetrate the region of the unknown, ...