I wish you could arrange your life so as to have a little more leisure. I do not want you to be lazy, but the passive conditions of the mind are quite as valuable as the active conditions.
Only in the stillness of detachment can the soul yield up her secrets.
Eternity is a circle, a serpent that swallows its own tail.
Our minds are the most mysterious things about us.
The art of detection is finding a common denominator for the fractions of a case.
The solving of almost every crime mystery depends on something which seems, at first glance, to bear no relation whatever to the original crime.