Persons with comparatively moderate powers will accomplish much, if they apply themselves wholly and indefatigably to one thing at a time.

Self-control is only courage under another form.

Help from without is often enfeebling in its effects, but help from within invariably invigorates.

"Where there is a will there is a way" is an old true saying. He who resolves upon doing a thing, by that very resolution often scales the barriers to it and secures its achievement. To think we are able is almost to be so - to determine upon attainment is frequently attainment itself.

Those who aren't making mistakes probably aren't making anything.

The egotist is next door to a fanatic.

Self-control is only courage under another form. It may also be regarded as the primary essence of character.