Almost everything that is great has been done by youth.

The world is devoted to physical science, because it believes theses discoveries will increase its capacity of luxury and self-indulgence. But the pursuit of science only leads to the insoluble.

You must not contrast too strongly the hours of courtship with the years of possession.

We are not creatures of circumstance; we are creators of circumstance.

Perseverance and tact are the two most important qualities for the individual who wants to move ahead.

If you're not very clever you should be conciliatory.

In politics, nothing is contemptible.