I am confident of my ability ...
More phrases
Effort only fully releases its reward after a person refuses to quit.
Never complain and never explain.
A good plan violently executed now is better than a perfect plan executed next week.
George S. Patton
Problems are not stop signs, they are guidelines.
Robert Schuller
Never give up, for that is just the place and time that the tide will turn.
Harriet Beecher Stowe
Quotes from the same author
We accumulate our opinions at an age when our understanding is at its weakest.
Georg C. Lichtenberg
Even truth needs to be clad in new garments if it is to appeal to a new age.
Georg C. Lichtenberg
The most perfect ape cannot draw an ape; only man can do that; but, likewise, only man regards the ability to do this as a sign of superiority.
Georg C. Lichtenberg
Honest unaffected distrust of human abilities under all circumstances is the surest sign of strength of mind.
Georg C. Lichtenberg
Those who have racked their brains to discover new proofs have perhaps been induced to do so by a compulsion they could not quite explain to themselves. Instead of giving us their new proofs they should have explained to us the motivation that constrained them to search for them.
Georg C. Lichtenberg