In the Kalama Sutta (Sutra) Shakyamuni Buddha gave the following advice
to a gathering of young people:
"Do not accept anything based upon mere reports,
traditions or hearsay,
Nor upon the authority of religious texts,
Nor upon mere reasons and arguments,
Nor upon one's own inference,
Nor upon anything which appears to be true,
Nor upon one's own speculative opinion,
Nor upon another's seeming ability,
Nor upon the consideration: 'This is our Teacher.'
'But, when you know for yourselves the certain things are unwholesome
and bad: tending to harm yourself of others, reject them.
'And when you know for yourselves that certain things are wholesome and
good: conducive to the spiritual welfare of yourself as well as others,
accept and follow them.' "