Prayer is not a substitute for work, thinking, watching, suffering, or giving; — George Arthur Buttrick
The manipulation of statistical formulas is no substitute for knowing what one is doing. — Hubert M. Blalock
Good government could never be a substitute for government by the people themselves. — Henry Campbell-Bannerman
Keep your mind centered on that which leads to light, intensively. Accept no substitute. — Frederick Lenz
Physic, for the most part, is nothing else but the substitute of exercise and temperance. — Joseph Addison