It means to apply Euthanasia (mercy killing). In other words, kill him to avoid him suffering.
No. Science does not cause suffering. The uses to which it is put may do so, as with any tool.
suffering maybe?
Whenever HE/SHE is suffering.
The better way to put it would be - I was suffering from pain and distress - if that is your complete sentence. Alternatively you could say - The pain and distress I was suffering caused me to lash out.
Suffering
Red Rum had to be put down after suffering a stroke.
the two words are not connected; tortuous means suffering and pain.
Yammer possibly
Long suffering is to put up with a disagreeable situation for a long time yet still do what you feel you should do regardless of the situation over an extended period of time.
it means that we're supposed to do the equivalent of what others have done to us. in other words to make them feel the same amount of pain and suffering that they have put us through.
Simply put, Buddhists believe that life is suffering, there is a cause to that suffering and the noble eightfold path is the way to end said suffering. The cessation of suffering is know as Nirvana. For more information on the principles of Buddhism and suffering, the noble eightfold path, please refer to the related links below.