If size mattered, the elephant would be king of the jungle.
Look around and find something for which to be grateful.
If you are not comortable to deal with an opponent 50 lbs heavier than you, there is something wrong with your Jiu Jitsu.
Our fears don't stop death, they stop life.
The most important thing is not victory, the most important thing is don't get defeated.
If you are ready to die, then you are ready to live.