Only by understanding why Adam Lanza wished to die can we understand why he killed.
Only by understanding the biology of the phage can we understand this seemingly counterintuitive result and the complexity of gene regulation in adaptation.
As a result, it is only by understanding power in all its human instantiations that we understand the social world around us.
Only by understanding such functions and interrelations, he held, can an anthropologist understand a culture.
Only by understanding the extremes of certain people can you start to understand what the middle represents.
His stated aim with the piece is ambitious: "Only by understanding why Adam Lanza wished to die," he writes, "can we understand why he killed".
But aesthetic concepts, like all ideas, have a history, and only by understanding what they meant at one period or another can we understand how philosophers, writers and artists used them to work out responses to social and artistic issues.
Critically, only by understanding the normal developmental function of a gene can we begin to understand the role that it may play in disease.
"Only by understanding the errors of the past can we do better in the present".
Only by understanding this elegant, deceitful, unpredictable and organic process can we hope to counter it.
But only by understanding the entire program can one grasp Uganda's success and build models for other countries.
