Quote #19943
Cheerfulness keeps up a kind of daylight in the mind, and fills it with...
Quote #15677
There are two classes of poets – the poets by education and practice, these...
Quote #27386
A theory has only the alternative of being wrong. A model has a third...
Quote #10731
In order to succeed, we must first believe that we can.
Quote #7409
To err is human. (Errare Humanum Est)
Quote #12301
Expect trouble as an inevitable part of life and repeat to yourself, the most...
Quote #24965
Reconciliation should be accompanied by justice, otherwise it will not last. While we all...
Quote #19440
Reject your sense of injury and the injury itself disappears.
Quote #33766
In science one tries to tell people, in such a way as to be...
Quote #11472
Energy and persistence conquer all things.