Quote #14840
Doubt is the vestibule which all must pass before they can enter the temple...
Quote #14375
Our observation of nature must be diligent, our reflection profound, and our experiments exact....
Quote #14395
Science is the search for truth – it is not a game in which...
Quote #5533
I cannot expect to perform the task with equal ability and success.
Quote #14105
Never underestimate the power of the irate customer.
Quote #31159
The streets are safe in Philadelphia, it’s only the people who make them unsafe.
Quote #5635
Science is organized knowledge. Wisdom is organized life.
Quote #32869
It is very easy to forgive others their mistakes it takes more grit and...
Quote #15144
People are changed, not by coercion or intimidation, but by example.
Quote #5061
Men judge generally more by the eye than by the hand, for everyone can...