The ability to concentrate and to use your time well is everything.
It is only when I dally with what I am about, look back and aside, instead of keeping my eyes straight forward, that I feel these cold sinkings of the heart.
A straight path never leads anywhere except to the objective.
Nothing interferes with my concentration. You could put on an orgy in my office and I wouldn't look up. Well, maybe once.
To be able to concentrate for a considerable time is essential to difficult achievement.
If there is anything that can be called genius, it consists chiefly in the ability to give that attention to a subject which keeps it steadily in the mind, till we have surveyed it accurately on all sides.
If you don't concentrate, you'll end up on your rear.
If I have ever made any valuable discoveries, it has been owing more to patient attention than to any other talent.
For him who has no concentration, there is no tranquility.
The secret to success in any human endeavor is total concentration.
The secret of concentration is the secret of self-discovery. You reach inside yourself to discover your personal resources, and what it takes to match them to the challenge.
Beware of dissipating your powers; strive constantly to concentrate them.
One arrow does not bring down two birds.
No horse gets anywhere until he is harnessed. No steam or gas ever drives anything until it is confined. No Niagara is ever turned into light and power until it is tunneled. No life ever grows great until it is focused, dedicated, disciplined.
A man may be so much of everything that he is nothing of everything.
Concentrate your energies, your thoughts and your capital. ... The wise man puts all his eggs in one basket and watches the basket.
One man; two loves. No good ever comes of that.
One cannot both feast and become rich.
The perplexity of life arises from there being too many interesting things in it for us to be interested properly in any of them.
No country can act wisely simultaneously in every part of the globe at every moment of time.