Related:

• A wise man is strong; yea, a man of knowledge increaseth strength.
  -- Old Testament -- Proverbs xxiv, 5...
• Of making many books there is no end; and much study is a weariness of the flesh.
  -- Old Testament -- Ecclesiastes xii, 12...
• The price of wisdom is above rubies. -- Old Testament -- Job xxviii, 18
• All is vanity and vexation of spirit. -- Old Testament -- Ecclesiastes i, 14
• The eye is not satisfied with seeing. -- Old Testament -- Ecclesiastes i, 8
• He that observeth the wind shall not sow; and he that regardeth the clouds shall not reap.
  -- Old Testament -- Ecclesiastes xi, 4...
• Be not righteous overmuch. -- Old Testament -- Ecclesiastes vii, 16
• There is no discharge in that war. -- Old Testament -- Ecclesiastes viii, 8
• One generation passeth away, and another generation cometh. -- Old Testament -- Ecclesiastes i, 4