Perfect freedom is as necessary to the health and vigor of commerce as it is to the health and vigor of citizenship.
Patrick Henry

Sometimes we feel the loss of a prejudice as a loss of vigor.
Eric Hoffer

The amount of eccentricity in a society has generally been proportional to the amount of genius, mental vigor, and moral courage it contained. That so few now dare to be eccentric marks the chief danger of the time.
John Stuart Mill

The chief condition on which, life, health and vigor depend on, is action. It is by action that an organism develops its faculties, increases its energy, and attains the fulfillment of its destiny.
Colin Powell

The Herbs ought to be distilled when they are in their greatest vigor, and so ought the Flowers also.
Nicholas Culpeper

The interaction of the variation in our genes is what's responsible for lots of our attributes and vigor.
Walter Gilbert

The method of the enterprising is to plan with audacity and execute with vigor.
Christian Nestell Bovee

The present times require the vigor and the activity of the prime of life; but I feel the increasing infirmities of age to such a degree, that I am conscious I cannot serve you to advantage.
Christopher Gadsden

The vigor and power and comfort of our spiritual life depends on our mortification of deeds of the flesh.
John Owen

To resist the frigidity of old age, one must combine the body, the mind, and the heart. And to keep these in parallel vigor one must exercise, study, and love.
Alan Bleasdale

Who in the same given time can produce more than others has vigor; who can produce more and better, has talents; who can produce what none else can, has genius.
Johann Kaspar Lavater