He is also known for having made a conscientious lifelong effort to develop the foundations of a "science of human nature."

Soon afterward he began a lifelong effort to sell his collection to the U.S. government.

Becoming healthier and staying that way is a lifelong effort.

The award is given annually to an individual for lifelong efforts to preserve art and architecture.

Treating high blood pressure usually is a lifelong effort.

It was a lifelong effort and left incomplete at the composer's death in 1924.

But staying at a healthy weight is a lifelong effort.

The 63-year-old justice was selected for his lifelong efforts in fighting racial segregation.

It serves to credit philosophers for their lifelong efforts in this field.

One doesn't have to look very far to see the fruits of his lifelong efforts.