The following are sayings of Sri Ramana Maharshi, taken from the text Guru Vachaka Kovai which is widely accepted as the most precise, systematic and authoritative exposition of Sri Ramana Maharshi’s teachings:
Download Guru Vachaka Kovai as a PDF file here
536.
O worldly folk who long for and run after
An endless series of unenduring things
’Tis wisdom true to seek and know
That one thing, on knowing which
All other things will cease to be.
537.
For those who see with insight keen
The subtle Truth, what is there to gain
From knowledge of gross material things?
What the imperishable inner sense
Perceives surpasses far the sight
Seen by the corporeal eye.
538.
Knowing aright the nature of the Self
And abandoning the non-self as void,
Unreal, is wisdom true.
All other knowledge is ignorance,
And not wisdom.
Tom Das 
Thanks tom. 🙏
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