Old Professors never die, they just lose their faculties.
One must be sane to think clearly, but one can think deeply and be quite insane.
The successful leader must be willing to assume responsibility for the mistakes and the shortcomings of his followers.
Why, look at me. I've worked my way up from nothing to a state of extreme poverty.
Only put off until tomorrow what you are willing to die having left undone
Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.
Nothing will work unless you do.
True progress quietly and persistently moves along without notice.
Good actions give strength to ourselves and inspire good actions in others.
Success is doing ordinary things extraordinarily well.
The majority of people who fail to accumulate money sufficient for their needs are, generally, easily influenced by the opinion of others.
The finest task for an Engineer – to survey, to plan, to suggest resources and material, assemble them for task in hand, implement and produce results.
Purity, patience, and perseverance are the three essentials to success and, above all, love.
As you start to walk out on the way, the way appears.
The best way to destroy an enemy is to make him a friend.
The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.
Real success can only come if there is a change in our societies and in our economics and in our politics.
To invent, you need a good imagination and a pile of junk.
Whenever you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.
You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself. That is something you have charge of.
He who thinks little errs much