The act of following or going after; esp., a following with haste, either for sport or in hostility; chase; prosecution; as, the pursuit of game; the pursuit of an enemy.
A following with a view to reach, accomplish, or obtain; endeavor to attain to or gain; as, the pursuit of knowledge; the pursuit of happiness or pleasure.
Course of business or occupation; continued employment with a view to same end; as, mercantile pursuits; a literary pursuit.
The U. S. Constitution doesn't guarantee happiness, only the pursuit of it. You have to catch up with it yourself. Benjamin Franklin
The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives. Albert Einstein
We hold these truths to be self-evident: that all men are created equal; that they are endowed by their Creator with certain unalienable rights; that among these are life, liberty, and the pursuit of happiness. Thomas Jefferson
The pursuit of truth does not permit violence on one's opponent. Mahatma Gandhi
I was bold in the pursuit of knowledge, never fearing to follow truth and reason to whatever results they led, and bearding every authority which stood in their way. Thomas Jefferson