Reason, observation, and experience; the holy trinity of science.
Robert Green IngersollSource: The Works of Robert G. Ingersoll
reason
A selected quote by Robert Green Ingersoll.
Reason, observation, and experience; the holy trinity of science.
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Nothing ever becomes real till it is experienced
If merely 'feeling good' could decide, drunkenness would be the supremely valid human experience.
I think, therefore I am.
Difficulties are meant to rouse, not discourage. The human spirit is to grow strong by conflict
A grave is a place where the dead are laid to await the coming of the medical student
One should always be in love. That is the reason one should never marry