Persevere /(?)/

Per·se·vere

Persevere

v. i.

imp. & p. p. Persevered; p. pr. & vb. n. Persevering

  1. To persist in any business or enterprise undertaken; to pursue steadily any project or course begun; to maintain a purpose in spite of counter influences, opposition, or discouragement; not to give or abandon what is undertaken.
    Thrice happy, if they know Their happiness, and persevere upright.