It is this conception of the unity of the human career which is perhaps the greatest achievement of historical study, since it gained a place analogous to that of natural science.

The greatest investment one can ever make is the investment into humanity, for an achievement based on positive influence into people's life can stand the test of time, survive through the mortality of men and resound endlessly through posterity

The greatest achievement of the human spirit is to live up to one's opportunities and make the most of one's resources.

Ultimately, my greatest achievement is maintaining my career while sustaining a happy marriage and kids.

Helping someone come to a saving knowledge of Christ is the greatest achievement possible.

Your greatest achievement is to love me.