Conversation so far:
How did Boris die?
23 April 2007.
what caused his death?
congestive heart failure.
where was his funeral?
had lain in repose in the Cathedral of Christ the Saviour in Moscow.
how many people attended?
CANNOTANSWER.
what else happened during his funeral?
his body had lain in repose.
what else is noteable about his death?
President Putin declared the day of his funeral a national day of mourning, with the nation's flags flown at half mast and all entertainment programs suspended for the day.
what else did Putin do?
[Yeltsin's] presidency has inscribed him forever in Russian and in world history.
what did yeltsin do to earn that?
will and direct initiative of President Boris Yeltsin a new constitution, one which declared human rights a supreme value, was adopted.
anything else interesting?
This Constitution permitted us to begin building a truly effective Federation.
...
We knew him as a brave and a warm-hearted, spiritual person.

Question: who is that quote from?
Self-contained rewrite: who is the quote, "[Yeltsin's] Constitution permitted us to begin building a truly effective Federation. ... We knew [Yeltsin] as a brave and a warm-hearted, spiritual person", from?