Quote #1713
Wrinkles should merely indicate where smiles have been.
Quote #18748
We are not put on earth for ourselves, but are placed here for each...
Quote #7932
An intellectual improvement arises from leisure.
Quote #9281
The mere formulation of a problem is far more essential than its solution, which...
Quote #10150
I have heard it said that the first ingredient of success – the earliest...
Quote #4798
All perception of truth is the detection of an analogy we reason from our...
Quote #9700
Skepticism is the chastity of the intellect, and it is shameful to surrender it...
Quote #9188
A scientific truth does not triumph by convincing its opponents and making them see...
Quote #11543
The first step toward success is taken when you refuse to be a captive...
Quote #1862
It is not always the same thing to be a good man and a...