However, he also spoke of the need for people to use their «intellect» to fight the instinct of racism, suggesting that it is part of our natural DNA. (caughtoffside.com)
This breed is said to possess a non fighting instinct, in other words if they are attacked they do not fight back to defend themselves. (best-cat-art.com)
Inexplicably, the referee saw fit to warn Alongi only once, but it is a tribute to Quarry's natural fighting instinct that after each of the low blows he fought back viciously. (si.com)