Love with freedom is superior to both the freedom without love and the love without freedom!

It is ok if you talk to a rock, but it is not ok if you expect any reply!

The line between the white-science and the black-science is very narrow. You can open roads or you can kill people by the same dynamite!

Stupid man produces noise; clever man produces silence!

It is more than enough to be an ethically and an evolutionarily developed human being. All other titles and identities of man are inferior to this fact!

When the sky is totally covered by the dark clouds, be strong enough to see the bright stars beyond them!

Feathers are light; but when they come together, they become heavy!