Silentium !

Speak not, lie hidden, and conceal 

the way you dream, the things you feel. 

Deep in your spirit let them rise 

akin to stars in crystal skies 

that set before the night is blurred: 

delight in them and speak no word. 

How can a heart expression find? 

How should another know your mind? 

Will he discern what quickens you? 

A thought once uttered is untrue. 

Dimmed is the fountainhead when stirred: 

drink at the source and speak no word. 

Live in your inner self alone 

within your soul a world has grown, 

the magic of veiled thoughts that might 

be blinded by the outer light, 

drowned in the noise of day, unheard... 

take in their song and speak no word.

by Fyodor Ivanovich Tyutchev

Nasadiya Sukta (Hymn of non-Eternity, origin of universe):

There was neither non-existence nor existence then;
Neither the realm of space, nor the sky which is beyond;
What stirred? Where? In whose protection?

There was neither death nor immortality then;
No distinguishing sign of night nor of day;
That One breathed, windless, by its own impulse;
Other than that there was nothing beyond.

Darkness there was at first, by darkness hidden;
Without distinctive marks, this all was water;
That which, becoming, by the void was covered;
That One by force of heat came into being;

Who really knows? Who will here proclaim it?
Whence was it produced? Whence is this creation?
Gods came afterwards, with the creation of this universe.
Who then knows whence it has arisen?

Whether God's will created it, or whether He was mute;
Perhaps it formed itself, or perhaps it did not;
Only He who is its overseer in highest heaven knows,
Only He knows, or perhaps He does not know.

—Rigveda 10.129