Patriotism Ruins History.

There Is Nothing So Terrible As Activity Without Insight.

One Doesn't Always Lose When One Has To Do Without.

Science And Art Belong To The Whole World, And Before Them Vanish The Barriers Of Nationality.

Do You Want To Live Happily? Travel With Two Bags, One For Giving, The Other For Receiving.

At All Times It Has Not Been The Age, But Individuals Alone, Who Have Worked For Knowledge. It Was The Age Which Put Socrates To Death By Poison, The Age Which Burnt Huss. The Ages Have Always Remained Alike.