Our real problem, then, is not our strength today; it is rather the vital necessity of action today to ensure our strength tomorrow.
— Dwight D. Eisenhower

Don't be intimidated by what you don't know. That can be your greatest strength and ensure that you do things differently from everyone else.
Sara Blakely ensuring quote

Absence of communication between necessarily linked parties ensures eventual conflict.
— Eric Parslow

Complexity creates a maze between you and success. Simplicity ensures a clear line of sight.
— Lee J. Colan

And while the law of competition may be sometimes hard for the individual, it is best for the race, because it ensures the survival of the fittest in every department.
— ensuring quotation by Andrew Carnegie