However, neither he nor his work can be taken as typical representatives of the Cārvāka / Lokāyata school or a first-hand source of information about that tradition.
While Wikipedia is a second-hand source of essentially objective information, Quora collects first-hand subjective wisdom.
Internationally, while first-hand sources on the cultural contributions of rural schools exist, these must be accessed before documentary studies of central policies over-write such history.
It means careful research, allocating lots of time to reading, and gathering factual evidence from first hand sources.
How might this lack of connection and, even misinformation they could receive from second hand sources, contribute to a series of miscalculations, misunderstandings, and unrealistic policies?
Raychaudhuri responded to Ramakrishnan's email requesting "not to form opinions based on second hand sources".
I reported, from third-hand sources, that the conservatives were furiously lobbying each other on the issue of severability of the individual mandate from the rest of Obamacare.
The following table offers a breakdown of all the data with the first-hand sources in bold and second-hand sources in italic.
(In reporting this story, Forbes tried to contact or access first-hand sources by various means.
While it originated from a good source, it was a second-hand source.
He gathered information from a variety of second-hand sources, such as Hitler's genealogy; school and military records; public reports of events in print and on film; OSS information; Hitler's own writings; Hitler biographies; and "Hitler the Man - Notes for a Case History," an article written by W.H.D. Vernon under Dr. Murray's supervision.
