To Create Something You Must Be Something.

Limitation Of Aims Is The Mother Of Wisdom And The Secret Of Achievement.

The Mob Has Nothing To Lose, Everything To Gain.

Without My Attempts In Natural Science, I Should Never Have Learned To Know Mankind Such As It Is. In Nothing Else Can We So Closely Approach Pure Contemplation And Thought, So Closely Observe The Errors Of The Senses And Of The Understanding, The Weak And Strong Points Of Character.

Love Of Truth Shows Itself In This, That A Man Knows How To Find And Value The Good In Everything.

Each Ten Years Of A Man's Life Has Its Own Fortunes, Its Own Hopes, Its Own Desires.