Worry Is The Stomach's Worst Poison.

One Can State, Without Exaggeration, That The Observation Of And The Search For Similarities And Differences Are The Basis Of All Human Knowledge.

It Is Not Sufficient To Be Worthy Of Respect In Order To Be Respected.

For Me Writing Biographies Is Impossible, Unless They Are Brief And Concise, And These Are, I Feel, The Most Eloquent.

The First Time I Saw Nitroglycerine Was In The Beginning Of The Crimean War. Professor Zinin In St. Petersburg Exhibited Some To My Father And Me, And Struck Some On An Anvil To Show That Only The Part Touched By The Hammer Exploded Without Spreading.

The Savants Will Write Excellent Volumes. There Will Be Laureates. But Wars Will Continue Just The Same Until The Forces Of The Circumstances Render Them Impossible.