If it is God who gives the spirit of power and strength, then it is also the same God who gives the spirt of self-control, and if ignoble cowardice and fear of people are just as detestable in any age, the excess of eager enthusiasm, zeal without wisdom, are no less corrupting and at times are fundamentally just as detestable, just as blasphemous.

Soren Kierkegaard, Upbuilding Discourses in Various Spirits, Hong p. 323 - Upbuilding Discourses in Various Spirits (1847)